Home / 351,434.57-527,172.27-98,734.76

Finding the Fourth Proportional to 351,434.57, 527,172.27 and 98,734.76

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Solution

The fourth proportional to 351,434.57, 527,172.27 and 98,734.76 is: 148,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,434.57 : 527,172.27 = 98,734.76 : x
  2. Step 2: Convert to fraction form
    351,434.57/527,172.27 = 98,734.76/x
  3. Step 3: Cross multiply
    351,434.57x = 527,172.27 × 98,734.76
  4. Step 4: Simplify right side
    351,434.57x = 52,050,224,921.24
  5. Step 5: Solve for x
    x = 52,050,224,921.24/351,434.57
  6. Step 6: Final answer
    x = 148,107.87

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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.