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Finding the Fourth Proportional to 161,337.60, 242,014.32 and 43,010

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Solution

The fourth proportional to 161,337.60, 242,014.32 and 43,010 is: 64,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,337.60 : 242,014.32 = 43,010 : x
  2. Step 2: Convert to fraction form
    161,337.60/242,014.32 = 43,010/x
  3. Step 3: Cross multiply
    161,337.60x = 242,014.32 × 43,010
  4. Step 4: Simplify right side
    161,337.60x = 10,409,035,903.20
  5. Step 5: Solve for x
    x = 10,409,035,903.20/161,337.60
  6. Step 6: Final answer
    x = 64,517.11

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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.