Home / 454,969.20-682,453.80-122,545.20

Finding the Fourth Proportional to 454,969.20, 682,453.80 and 122,545.20

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Solution

The fourth proportional to 454,969.20, 682,453.80 and 122,545.20 is: 183,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,969.20 : 682,453.80 = 122,545.20 : x
  2. Step 2: Convert to fraction form
    454,969.20/682,453.80 = 122,545.20/x
  3. Step 3: Cross multiply
    454,969.20x = 682,453.80 × 122,545.20
  4. Step 4: Simplify right side
    454,969.20x = 83,631,437,411.76
  5. Step 5: Solve for x
    x = 83,631,437,411.76/454,969.20
  6. Step 6: Final answer
    x = 183,817.80

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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.