Home / 292,127.26-438,247.70-112,199.52

Finding the Fourth Proportional to 292,127.26, 438,247.70 and 112,199.52

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Solution

The fourth proportional to 292,127.26, 438,247.70 and 112,199.52 is: 168,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,127.26 : 438,247.70 = 112,199.52 : x
  2. Step 2: Convert to fraction form
    292,127.26/438,247.70 = 112,199.52/x
  3. Step 3: Cross multiply
    292,127.26x = 438,247.70 × 112,199.52
  4. Step 4: Simplify right side
    292,127.26x = 49,171,182,396.22
  5. Step 5: Solve for x
    x = 49,171,182,396.22/292,127.26
  6. Step 6: Final answer
    x = 168,321.10

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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.