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Finding the Fourth Proportional to 237,490.69, 327,737.65 and 128,596.22

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Solution

The fourth proportional to 237,490.69, 327,737.65 and 128,596.22 is: 177,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,490.69 : 327,737.65 = 128,596.22 : x
  2. Step 2: Convert to fraction form
    237,490.69/327,737.65 = 128,596.22/x
  3. Step 3: Cross multiply
    237,490.69x = 327,737.65 × 128,596.22
  4. Step 4: Simplify right side
    237,490.69x = 42,145,822,941.68
  5. Step 5: Solve for x
    x = 42,145,822,941.68/237,490.69
  6. Step 6: Final answer
    x = 177,463.05

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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.