Home / 355,279,935.72-490,136,180.52-237,843,102.24

Finding the Fourth Proportional to 355,279,935.72, 490,136,180.52 and 237,843,102.24

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Solution

The fourth proportional to 355,279,935.72, 490,136,180.52 and 237,843,102.24 is: 328,122,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,279,935.72 : 490,136,180.52 = 237,843,102.24 : x
  2. Step 2: Convert to fraction form
    355,279,935.72/490,136,180.52 = 237,843,102.24/x
  3. Step 3: Cross multiply
    355,279,935.72x = 490,136,180.52 × 237,843,102.24
  4. Step 4: Simplify right side
    355,279,935.72x = 116,575,509,694,941,456
  5. Step 5: Solve for x
    x = 116,575,509,694,941,456/355,279,935.72
  6. Step 6: Final answer
    x = 328,122,975.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.