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Finding the Fourth Proportional to 156,822.40, 235,233.60 and 154,230.40

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Solution

The fourth proportional to 156,822.40, 235,233.60 and 154,230.40 is: 231,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,822.40 : 235,233.60 = 154,230.40 : x
  2. Step 2: Convert to fraction form
    156,822.40/235,233.60 = 154,230.40/x
  3. Step 3: Cross multiply
    156,822.40x = 235,233.60 × 154,230.40
  4. Step 4: Simplify right side
    156,822.40x = 36,280,172,221.44
  5. Step 5: Solve for x
    x = 36,280,172,221.44/156,822.40
  6. Step 6: Final answer
    x = 231,345.60

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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.