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Finding the Fourth Proportional to 351,574.92, 527,391.82 and 102,256.52

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Solution

The fourth proportional to 351,574.92, 527,391.82 and 102,256.52 is: 153,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,574.92 : 527,391.82 = 102,256.52 : x
  2. Step 2: Convert to fraction form
    351,574.92/527,391.82 = 102,256.52/x
  3. Step 3: Cross multiply
    351,574.92x = 527,391.82 × 102,256.52
  4. Step 4: Simplify right side
    351,574.92x = 53,929,252,189.67
  5. Step 5: Solve for x
    x = 53,929,252,189.67/351,574.92
  6. Step 6: Final answer
    x = 153,393.34

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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.