Home / 490,738.52-736,022.40-158,314.52

Finding the Fourth Proportional to 490,738.52, 736,022.40 and 158,314.52

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Solution

The fourth proportional to 490,738.52, 736,022.40 and 158,314.52 is: 237,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,738.52 : 736,022.40 = 158,314.52 : x
  2. Step 2: Convert to fraction form
    490,738.52/736,022.40 = 158,314.52/x
  3. Step 3: Cross multiply
    490,738.52x = 736,022.40 × 158,314.52
  4. Step 4: Simplify right side
    490,738.52x = 116,523,032,965.25
  5. Step 5: Solve for x
    x = 116,523,032,965.25/490,738.52
  6. Step 6: Final answer
    x = 237,444.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.