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Finding the Fourth Proportional to 417,585.43, 576,269.43 and 226,598.84

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Solution

The fourth proportional to 417,585.43, 576,269.43 and 226,598.84 is: 312,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,585.43 : 576,269.43 = 226,598.84 : x
  2. Step 2: Convert to fraction form
    417,585.43/576,269.43 = 226,598.84/x
  3. Step 3: Cross multiply
    417,585.43x = 576,269.43 × 226,598.84
  4. Step 4: Simplify right side
    417,585.43x = 130,581,984,365.46
  5. Step 5: Solve for x
    x = 130,581,984,365.46/417,585.43
  6. Step 6: Final answer
    x = 312,707.23

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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.