Home / 454,719.02-681,890.86-155,223.75

Finding the Fourth Proportional to 454,719.02, 681,890.86 and 155,223.75

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Solution

The fourth proportional to 454,719.02, 681,890.86 and 155,223.75 is: 232,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,719.02 : 681,890.86 = 155,223.75 : x
  2. Step 2: Convert to fraction form
    454,719.02/681,890.86 = 155,223.75/x
  3. Step 3: Cross multiply
    454,719.02x = 681,890.86 × 155,223.75
  4. Step 4: Simplify right side
    454,719.02x = 105,845,655,991.87
  5. Step 5: Solve for x
    x = 105,845,655,991.87/454,719.02
  6. Step 6: Final answer
    x = 232,771.56

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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.