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Finding the Fourth Proportional to 475,607.16, 656,343.22 and 271,685.08

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Solution

The fourth proportional to 475,607.16, 656,343.22 and 271,685.08 is: 374,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,607.16 : 656,343.22 = 271,685.08 : x
  2. Step 2: Convert to fraction form
    475,607.16/656,343.22 = 271,685.08/x
  3. Step 3: Cross multiply
    475,607.16x = 656,343.22 × 271,685.08
  4. Step 4: Simplify right side
    475,607.16x = 178,318,660,233.16
  5. Step 5: Solve for x
    x = 178,318,660,233.16/475,607.16
  6. Step 6: Final answer
    x = 374,928.46

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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.