Home / 454,943.40-682,350.30-155,437.80

Finding the Fourth Proportional to 454,943.40, 682,350.30 and 155,437.80

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Solution

The fourth proportional to 454,943.40, 682,350.30 and 155,437.80 is: 233,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,943.40 : 682,350.30 = 155,437.80 : x
  2. Step 2: Convert to fraction form
    454,943.40/682,350.30 = 155,437.80/x
  3. Step 3: Cross multiply
    454,943.40x = 682,350.30 × 155,437.80
  4. Step 4: Simplify right side
    454,943.40x = 106,063,029,461.34
  5. Step 5: Solve for x
    x = 106,063,029,461.34/454,943.40
  6. Step 6: Final answer
    x = 233,134.56

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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.