Home / 386,369.20-579,590.72-120,058.24

Finding the Fourth Proportional to 386,369.20, 579,590.72 and 120,058.24

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Solution

The fourth proportional to 386,369.20, 579,590.72 and 120,058.24 is: 180,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,369.20 : 579,590.72 = 120,058.24 : x
  2. Step 2: Convert to fraction form
    386,369.20/579,590.72 = 120,058.24/x
  3. Step 3: Cross multiply
    386,369.20x = 579,590.72 × 120,058.24
  4. Step 4: Simplify right side
    386,369.20x = 69,584,641,763.53
  5. Step 5: Solve for x
    x = 69,584,641,763.53/386,369.20
  6. Step 6: Final answer
    x = 180,098.83

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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.