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Finding the Fourth Proportional to 237,685.70, 328,008.84 and 130,253.42

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Solution

The fourth proportional to 237,685.70, 328,008.84 and 130,253.42 is: 179,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,685.70 : 328,008.84 = 130,253.42 : x
  2. Step 2: Convert to fraction form
    237,685.70/328,008.84 = 130,253.42/x
  3. Step 3: Cross multiply
    237,685.70x = 328,008.84 × 130,253.42
  4. Step 4: Simplify right side
    237,685.70x = 42,724,273,200.23
  5. Step 5: Solve for x
    x = 42,724,273,200.23/237,685.70
  6. Step 6: Final answer
    x = 179,751.13

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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.