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Finding the Fourth Proportional to 144,839, 217,261.20 and 44,998.40

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Solution

The fourth proportional to 144,839, 217,261.20 and 44,998.40 is: 67,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,839 : 217,261.20 = 44,998.40 : x
  2. Step 2: Convert to fraction form
    144,839/217,261.20 = 44,998.40/x
  3. Step 3: Cross multiply
    144,839x = 217,261.20 × 44,998.40
  4. Step 4: Simplify right side
    144,839x = 9,776,406,382.08
  5. Step 5: Solve for x
    x = 9,776,406,382.08/144,839
  6. Step 6: Final answer
    x = 67,498.44

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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.