Home / 345,149.10-517,512.24-134,541

Finding the Fourth Proportional to 345,149.10, 517,512.24 and 134,541

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Solution

The fourth proportional to 345,149.10, 517,512.24 and 134,541 is: 201,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,149.10 : 517,512.24 = 134,541 : x
  2. Step 2: Convert to fraction form
    345,149.10/517,512.24 = 134,541/x
  3. Step 3: Cross multiply
    345,149.10x = 517,512.24 × 134,541
  4. Step 4: Simplify right side
    345,149.10x = 69,626,614,281.84
  5. Step 5: Solve for x
    x = 69,626,614,281.84/345,149.10
  6. Step 6: Final answer
    x = 201,729.09

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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.