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Finding the Fourth Proportional to 417,693.17, 576,401.15 and 226,702.46

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Solution

The fourth proportional to 417,693.17, 576,401.15 and 226,702.46 is: 312,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,693.17 : 576,401.15 = 226,702.46 : x
  2. Step 2: Convert to fraction form
    417,693.17/576,401.15 = 226,702.46/x
  3. Step 3: Cross multiply
    417,693.17x = 576,401.15 × 226,702.46
  4. Step 4: Simplify right side
    417,693.17x = 130,671,558,651.83
  5. Step 5: Solve for x
    x = 130,671,558,651.83/417,693.17
  6. Step 6: Final answer
    x = 312,841.02

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1.5x scale

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.