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Finding the Fourth Proportional to 359,743.96, 539,025.36 and 122,957.44

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Solution

The fourth proportional to 359,743.96, 539,025.36 and 122,957.44 is: 184,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,743.96 : 539,025.36 = 122,957.44 : x
  2. Step 2: Convert to fraction form
    359,743.96/539,025.36 = 122,957.44/x
  3. Step 3: Cross multiply
    359,743.96x = 539,025.36 × 122,957.44
  4. Step 4: Simplify right side
    359,743.96x = 66,277,178,360.68
  5. Step 5: Solve for x
    x = 66,277,178,360.68/359,743.96
  6. Step 6: Final answer
    x = 184,234.30

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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.