Home / 304,769.25-457,117.47-80,147.19

Finding the Fourth Proportional to 304,769.25, 457,117.47 and 80,147.19

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Solution

The fourth proportional to 304,769.25, 457,117.47 and 80,147.19 is: 120,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,769.25 : 457,117.47 = 80,147.19 : x
  2. Step 2: Convert to fraction form
    304,769.25/457,117.47 = 80,147.19/x
  3. Step 3: Cross multiply
    304,769.25x = 457,117.47 × 80,147.19
  4. Step 4: Simplify right side
    304,769.25x = 36,636,680,720.41
  5. Step 5: Solve for x
    x = 36,636,680,720.41/304,769.25
  6. Step 6: Final answer
    x = 120,211.21

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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.