Home / 454,974.96-682,543.44-155,488.80

Finding the Fourth Proportional to 454,974.96, 682,543.44 and 155,488.80

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Solution

The fourth proportional to 454,974.96, 682,543.44 and 155,488.80 is: 233,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,974.96 : 682,543.44 = 155,488.80 : x
  2. Step 2: Convert to fraction form
    454,974.96/682,543.44 = 155,488.80/x
  3. Step 3: Cross multiply
    454,974.96x = 682,543.44 × 155,488.80
  4. Step 4: Simplify right side
    454,974.96x = 106,127,860,433.47
  5. Step 5: Solve for x
    x = 106,127,860,433.47/454,974.96
  6. Step 6: Final answer
    x = 233,260.88

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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.