Home / 349,053.30-523,839.15-138,842.10

Finding the Fourth Proportional to 349,053.30, 523,839.15 and 138,842.10

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Solution

The fourth proportional to 349,053.30, 523,839.15 and 138,842.10 is: 208,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,053.30 : 523,839.15 = 138,842.10 : x
  2. Step 2: Convert to fraction form
    349,053.30/523,839.15 = 138,842.10/x
  3. Step 3: Cross multiply
    349,053.30x = 523,839.15 × 138,842.10
  4. Step 4: Simplify right side
    349,053.30x = 72,730,927,648.22
  5. Step 5: Solve for x
    x = 72,730,927,648.22/349,053.30
  6. Step 6: Final answer
    x = 208,366.25

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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.