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Finding the Fourth Proportional to 235,310.27, 324,730.22 and 127,880.30

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Solution

The fourth proportional to 235,310.27, 324,730.22 and 127,880.30 is: 176,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,310.27 : 324,730.22 = 127,880.30 : x
  2. Step 2: Convert to fraction form
    235,310.27/324,730.22 = 127,880.30/x
  3. Step 3: Cross multiply
    235,310.27x = 324,730.22 × 127,880.30
  4. Step 4: Simplify right side
    235,310.27x = 41,526,595,689.61
  5. Step 5: Solve for x
    x = 41,526,595,689.61/235,310.27
  6. Step 6: Final answer
    x = 176,475.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.