Home / 667,551.38-1,001,210.30-187,665.10

Finding the Fourth Proportional to 667,551.38, 1,001,210.30 and 187,665.10

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Solution

The fourth proportional to 667,551.38, 1,001,210.30 and 187,665.10 is: 281,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,551.38 : 1,001,210.30 = 187,665.10 : x
  2. Step 2: Convert to fraction form
    667,551.38/1,001,210.30 = 187,665.10/x
  3. Step 3: Cross multiply
    667,551.38x = 1,001,210.30 × 187,665.10
  4. Step 4: Simplify right side
    667,551.38x = 187,892,228,332.92
  5. Step 5: Solve for x
    x = 187,892,228,332.92/667,551.38
  6. Step 6: Final answer
    x = 281,464.82

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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.