Home / 338,232.28-507,348.08-138,553.04

Finding the Fourth Proportional to 338,232.28, 507,348.08 and 138,553.04

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Solution

The fourth proportional to 338,232.28, 507,348.08 and 138,553.04 is: 207,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,232.28 : 507,348.08 = 138,553.04 : x
  2. Step 2: Convert to fraction form
    338,232.28/507,348.08 = 138,553.04/x
  3. Step 3: Cross multiply
    338,232.28x = 507,348.08 × 138,553.04
  4. Step 4: Simplify right side
    338,232.28x = 70,294,618,822.16
  5. Step 5: Solve for x
    x = 70,294,618,822.16/338,232.28
  6. Step 6: Final answer
    x = 207,829.42

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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.