Home / 386,123.04-532,669.68-242,962.02

Finding the Fourth Proportional to 386,123.04, 532,669.68 and 242,962.02

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Solution

The fourth proportional to 386,123.04, 532,669.68 and 242,962.02 is: 335,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,123.04 : 532,669.68 = 242,962.02 : x
  2. Step 2: Convert to fraction form
    386,123.04/532,669.68 = 242,962.02/x
  3. Step 3: Cross multiply
    386,123.04x = 532,669.68 × 242,962.02
  4. Step 4: Simplify right side
    386,123.04x = 129,418,501,445.55
  5. Step 5: Solve for x
    x = 129,418,501,445.55/386,123.04
  6. Step 6: Final answer
    x = 335,174.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.