Home / 546,931.34-820,397.02-147,572.12

Finding the Fourth Proportional to 546,931.34, 820,397.02 and 147,572.12

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Solution

The fourth proportional to 546,931.34, 820,397.02 and 147,572.12 is: 221,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,931.34 : 820,397.02 = 147,572.12 : x
  2. Step 2: Convert to fraction form
    546,931.34/820,397.02 = 147,572.12/x
  3. Step 3: Cross multiply
    546,931.34x = 820,397.02 × 147,572.12
  4. Step 4: Simplify right side
    546,931.34x = 121,067,723,012.17
  5. Step 5: Solve for x
    x = 121,067,723,012.17/546,931.34
  6. Step 6: Final answer
    x = 221,358.17

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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.