Home / 338,233.28-507,349.58-138,554.04

Finding the Fourth Proportional to 338,233.28, 507,349.58 and 138,554.04

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Solution

The fourth proportional to 338,233.28, 507,349.58 and 138,554.04 is: 207,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,233.28 : 507,349.58 = 138,554.04 : x
  2. Step 2: Convert to fraction form
    338,233.28/507,349.58 = 138,554.04/x
  3. Step 3: Cross multiply
    338,233.28x = 507,349.58 × 138,554.04
  4. Step 4: Simplify right side
    338,233.28x = 70,295,334,001.30
  5. Step 5: Solve for x
    x = 70,295,334,001.30/338,233.28
  6. Step 6: Final answer
    x = 207,830.92

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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.