Home / 445,130.46-667,726.29-178,891.20

Finding the Fourth Proportional to 445,130.46, 667,726.29 and 178,891.20

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Solution

The fourth proportional to 445,130.46, 667,726.29 and 178,891.20 is: 268,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,130.46 : 667,726.29 = 178,891.20 : x
  2. Step 2: Convert to fraction form
    445,130.46/667,726.29 = 178,891.20/x
  3. Step 3: Cross multiply
    445,130.46x = 667,726.29 × 178,891.20
  4. Step 4: Simplify right side
    445,130.46x = 119,450,357,289.65
  5. Step 5: Solve for x
    x = 119,450,357,289.65/445,130.46
  6. Step 6: Final answer
    x = 268,349.10

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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.