Home / 351,434.30-527,146.79-85,197.22

Finding the Fourth Proportional to 351,434.30, 527,146.79 and 85,197.22

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Solution

The fourth proportional to 351,434.30, 527,146.79 and 85,197.22 is: 127,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,434.30 : 527,146.79 = 85,197.22 : x
  2. Step 2: Convert to fraction form
    351,434.30/527,146.79 = 85,197.22/x
  3. Step 3: Cross multiply
    351,434.30x = 527,146.79 × 85,197.22
  4. Step 4: Simplify right side
    351,434.30x = 44,911,439,296.07
  5. Step 5: Solve for x
    x = 44,911,439,296.07/351,434.30
  6. Step 6: Final answer
    x = 127,794.70

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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.