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Finding the Fourth Proportional to 235,144.44, 324,501.70 and 127,715.48

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Solution

The fourth proportional to 235,144.44, 324,501.70 and 127,715.48 is: 176,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,144.44 : 324,501.70 = 127,715.48 : x
  2. Step 2: Convert to fraction form
    235,144.44/324,501.70 = 127,715.48/x
  3. Step 3: Cross multiply
    235,144.44x = 324,501.70 × 127,715.48
  4. Step 4: Simplify right side
    235,144.44x = 41,443,890,376.32
  5. Step 5: Solve for x
    x = 41,443,890,376.32/235,144.44
  6. Step 6: Final answer
    x = 176,248.65

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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.