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Finding the Fourth Proportional to 351,734.04, 527,596.47 and 85,493.79

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Solution

The fourth proportional to 351,734.04, 527,596.47 and 85,493.79 is: 128,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,734.04 : 527,596.47 = 85,493.79 : x
  2. Step 2: Convert to fraction form
    351,734.04/527,596.47 = 85,493.79/x
  3. Step 3: Cross multiply
    351,734.04x = 527,596.47 × 85,493.79
  4. Step 4: Simplify right side
    351,734.04x = 45,106,221,810.92
  5. Step 5: Solve for x
    x = 45,106,221,810.92/351,734.04
  6. Step 6: Final answer
    x = 128,239.57

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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.