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Finding the Fourth Proportional to 347,892.50, 476,494.43 and 327,465.92

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Solution

The fourth proportional to 347,892.50, 476,494.43 and 327,465.92 is: 448,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,892.50 : 476,494.43 = 327,465.92 : x
  2. Step 2: Convert to fraction form
    347,892.50/476,494.43 = 327,465.92/x
  3. Step 3: Cross multiply
    347,892.50x = 476,494.43 × 327,465.92
  4. Step 4: Simplify right side
    347,892.50x = 156,035,688,290.73
  5. Step 5: Solve for x
    x = 156,035,688,290.73/347,892.50
  6. Step 6: Final answer
    x = 448,516.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.