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Finding the Fourth Proportional to 144,982.59, 217,473.48 and 39,801.66

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Solution

The fourth proportional to 144,982.59, 217,473.48 and 39,801.66 is: 59,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,982.59 : 217,473.48 = 39,801.66 : x
  2. Step 2: Convert to fraction form
    144,982.59/217,473.48 = 39,801.66/x
  3. Step 3: Cross multiply
    144,982.59x = 217,473.48 × 39,801.66
  4. Step 4: Simplify right side
    144,982.59x = 8,655,805,509.98
  5. Step 5: Solve for x
    x = 8,655,805,509.98/144,982.59
  6. Step 6: Final answer
    x = 59,702.38

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1.5x scale

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.