Home / 454,995.29-682,624.10-139,498.73

Finding the Fourth Proportional to 454,995.29, 682,624.10 and 139,498.73

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Solution

The fourth proportional to 454,995.29, 682,624.10 and 139,498.73 is: 209,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,995.29 : 682,624.10 = 139,498.73 : x
  2. Step 2: Convert to fraction form
    454,995.29/682,624.10 = 139,498.73/x
  3. Step 3: Cross multiply
    454,995.29x = 682,624.10 × 139,498.73
  4. Step 4: Simplify right side
    454,995.29x = 95,225,194,319.90
  5. Step 5: Solve for x
    x = 95,225,194,319.90/454,995.29
  6. Step 6: Final answer
    x = 209,288.31

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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.