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Finding the Fourth Proportional to 137,750.48, 206,624.28 and 44,256.32

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Solution

The fourth proportional to 137,750.48, 206,624.28 and 44,256.32 is: 66,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,750.48 : 206,624.28 = 44,256.32 : x
  2. Step 2: Convert to fraction form
    137,750.48/206,624.28 = 44,256.32/x
  3. Step 3: Cross multiply
    137,750.48x = 206,624.28 × 44,256.32
  4. Step 4: Simplify right side
    137,750.48x = 9,144,430,255.45
  5. Step 5: Solve for x
    x = 9,144,430,255.45/137,750.48
  6. Step 6: Final answer
    x = 66,384.02

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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.