Home / 438,830.22-658,267.89-123,311.73

Finding the Fourth Proportional to 438,830.22, 658,267.89 and 123,311.73

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Solution

The fourth proportional to 438,830.22, 658,267.89 and 123,311.73 is: 184,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,830.22 : 658,267.89 = 123,311.73 : x
  2. Step 2: Convert to fraction form
    438,830.22/658,267.89 = 123,311.73/x
  3. Step 3: Cross multiply
    438,830.22x = 658,267.89 × 123,311.73
  4. Step 4: Simplify right side
    438,830.22x = 81,172,152,319.35
  5. Step 5: Solve for x
    x = 81,172,152,319.35/438,830.22
  6. Step 6: Final answer
    x = 184,973.93

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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.