Home / 389,377.16-583,847.04-123,204.68

Finding the Fourth Proportional to 389,377.16, 583,847.04 and 123,204.68

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Solution

The fourth proportional to 389,377.16, 583,847.04 and 123,204.68 is: 184,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,377.16 : 583,847.04 = 123,204.68 : x
  2. Step 2: Convert to fraction form
    389,377.16/583,847.04 = 123,204.68/x
  3. Step 3: Cross multiply
    389,377.16x = 583,847.04 × 123,204.68
  4. Step 4: Simplify right side
    389,377.16x = 71,932,687,732.15
  5. Step 5: Solve for x
    x = 71,932,687,732.15/389,377.16
  6. Step 6: Final answer
    x = 184,737.82

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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.