Home / 351,444.30-527,166.45-312,737.10

Finding the Fourth Proportional to 351,444.30, 527,166.45 and 312,737.10

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Solution

The fourth proportional to 351,444.30, 527,166.45 and 312,737.10 is: 469,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,444.30 : 527,166.45 = 312,737.10 : x
  2. Step 2: Convert to fraction form
    351,444.30/527,166.45 = 312,737.10/x
  3. Step 3: Cross multiply
    351,444.30x = 527,166.45 × 312,737.10
  4. Step 4: Simplify right side
    351,444.30x = 164,864,506,790.30
  5. Step 5: Solve for x
    x = 164,864,506,790.30/351,444.30
  6. Step 6: Final answer
    x = 469,105.65

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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.