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Finding the Fourth Proportional to 417,592.62, 576,279.38 and 226,606.03

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Solution

The fourth proportional to 417,592.62, 576,279.38 and 226,606.03 is: 312,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,592.62 : 576,279.38 = 226,606.03 : x
  2. Step 2: Convert to fraction form
    417,592.62/576,279.38 = 226,606.03/x
  3. Step 3: Cross multiply
    417,592.62x = 576,279.38 × 226,606.03
  4. Step 4: Simplify right side
    417,592.62x = 130,588,381,598.48
  5. Step 5: Solve for x
    x = 130,588,381,598.48/417,592.62
  6. Step 6: Final answer
    x = 312,717.17

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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.