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Finding the Fourth Proportional to 174,468.60, 261,702.90 and 161,508.60

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Solution

The fourth proportional to 174,468.60, 261,702.90 and 161,508.60 is: 242,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,468.60 : 261,702.90 = 161,508.60 : x
  2. Step 2: Convert to fraction form
    174,468.60/261,702.90 = 161,508.60/x
  3. Step 3: Cross multiply
    174,468.60x = 261,702.90 × 161,508.60
  4. Step 4: Simplify right side
    174,468.60x = 42,267,268,994.94
  5. Step 5: Solve for x
    x = 42,267,268,994.94/174,468.60
  6. Step 6: Final answer
    x = 242,262.90

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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.