Home / 474,996.08-712,428.24-119,988.20

Finding the Fourth Proportional to 474,996.08, 712,428.24 and 119,988.20

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Solution

The fourth proportional to 474,996.08, 712,428.24 and 119,988.20 is: 179,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,996.08 : 712,428.24 = 119,988.20 : x
  2. Step 2: Convert to fraction form
    474,996.08/712,428.24 = 119,988.20/x
  3. Step 3: Cross multiply
    474,996.08x = 712,428.24 × 119,988.20
  4. Step 4: Simplify right side
    474,996.08x = 85,482,982,146.77
  5. Step 5: Solve for x
    x = 85,482,982,146.77/474,996.08
  6. Step 6: Final answer
    x = 179,965.66

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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.