Home / 454,664.60-681,996.77-155,145.15

Finding the Fourth Proportional to 454,664.60, 681,996.77 and 155,145.15

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Solution

The fourth proportional to 454,664.60, 681,996.77 and 155,145.15 is: 232,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,664.60 : 681,996.77 = 155,145.15 : x
  2. Step 2: Convert to fraction form
    454,664.60/681,996.77 = 155,145.15/x
  3. Step 3: Cross multiply
    454,664.60x = 681,996.77 × 155,145.15
  4. Step 4: Simplify right side
    454,664.60x = 105,808,491,569.03
  5. Step 5: Solve for x
    x = 105,808,491,569.03/454,664.60
  6. Step 6: Final answer
    x = 232,717.68

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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.