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Finding the Fourth Proportional to 244,559.80, 366,949.05 and 86,901.40

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Solution

The fourth proportional to 244,559.80, 366,949.05 and 86,901.40 is: 130,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,559.80 : 366,949.05 = 86,901.40 : x
  2. Step 2: Convert to fraction form
    244,559.80/366,949.05 = 86,901.40/x
  3. Step 3: Cross multiply
    244,559.80x = 366,949.05 × 86,901.40
  4. Step 4: Simplify right side
    244,559.80x = 31,888,386,173.67
  5. Step 5: Solve for x
    x = 31,888,386,173.67/244,559.80
  6. Step 6: Final answer
    x = 130,390.96

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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.