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Finding the Fourth Proportional to 144,758.07, 217,126.63 and 44,915.71

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Solution

The fourth proportional to 144,758.07, 217,126.63 and 44,915.71 is: 67,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,758.07 : 217,126.63 = 44,915.71 : x
  2. Step 2: Convert to fraction form
    144,758.07/217,126.63 = 44,915.71/x
  3. Step 3: Cross multiply
    144,758.07x = 217,126.63 × 44,915.71
  4. Step 4: Simplify right side
    144,758.07x = 9,752,396,746.36
  5. Step 5: Solve for x
    x = 9,752,396,746.36/144,758.07
  6. Step 6: Final answer
    x = 67,370.31

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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.