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Finding the Fourth Proportional to 168,400.60, 252,600.90 and 152,848.60

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Solution

The fourth proportional to 168,400.60, 252,600.90 and 152,848.60 is: 229,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400.60 : 252,600.90 = 152,848.60 : x
  2. Step 2: Convert to fraction form
    168,400.60/252,600.90 = 152,848.60/x
  3. Step 3: Cross multiply
    168,400.60x = 252,600.90 × 152,848.60
  4. Step 4: Simplify right side
    168,400.60x = 38,609,693,923.74
  5. Step 5: Solve for x
    x = 38,609,693,923.74/168,400.60
  6. Step 6: Final answer
    x = 229,272.90

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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.