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Finding the Fourth Proportional to 295,877.68, 443,631.60 and 125,011.56

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Solution

The fourth proportional to 295,877.68, 443,631.60 and 125,011.56 is: 187,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,877.68 : 443,631.60 = 125,011.56 : x
  2. Step 2: Convert to fraction form
    295,877.68/443,631.60 = 125,011.56/x
  3. Step 3: Cross multiply
    295,877.68x = 443,631.60 × 125,011.56
  4. Step 4: Simplify right side
    295,877.68x = 55,459,078,381.30
  5. Step 5: Solve for x
    x = 55,459,078,381.30/295,877.68
  6. Step 6: Final answer
    x = 187,439.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.