Home / 430,532.73-645,449.17-150,246.81

Finding the Fourth Proportional to 430,532.73, 645,449.17 and 150,246.81

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Solution

The fourth proportional to 430,532.73, 645,449.17 and 150,246.81 is: 225,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,532.73 : 645,449.17 = 150,246.81 : x
  2. Step 2: Convert to fraction form
    430,532.73/645,449.17 = 150,246.81/x
  3. Step 3: Cross multiply
    430,532.73x = 645,449.17 × 150,246.81
  4. Step 4: Simplify right side
    430,532.73x = 96,976,678,809.65
  5. Step 5: Solve for x
    x = 96,976,678,809.65/430,532.73
  6. Step 6: Final answer
    x = 225,248.10

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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.