Home / 484,428.20-726,707.10-168,981.80

Finding the Fourth Proportional to 484,428.20, 726,707.10 and 168,981.80

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Solution

The fourth proportional to 484,428.20, 726,707.10 and 168,981.80 is: 253,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,428.20 : 726,707.10 = 168,981.80 : x
  2. Step 2: Convert to fraction form
    484,428.20/726,707.10 = 168,981.80/x
  3. Step 3: Cross multiply
    484,428.20x = 726,707.10 × 168,981.80
  4. Step 4: Simplify right side
    484,428.20x = 122,800,273,830.78
  5. Step 5: Solve for x
    x = 122,800,273,830.78/484,428.20
  6. Step 6: Final answer
    x = 253,495.30

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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.