Home / 282,905.15-424,298.07-83,171.30

Finding the Fourth Proportional to 282,905.15, 424,298.07 and 83,171.30

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Solution

The fourth proportional to 282,905.15, 424,298.07 and 83,171.30 is: 124,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,905.15 : 424,298.07 = 83,171.30 : x
  2. Step 2: Convert to fraction form
    282,905.15/424,298.07 = 83,171.30/x
  3. Step 3: Cross multiply
    282,905.15x = 424,298.07 × 83,171.30
  4. Step 4: Simplify right side
    282,905.15x = 35,289,419,947.90
  5. Step 5: Solve for x
    x = 35,289,419,947.90/282,905.15
  6. Step 6: Final answer
    x = 124,739.41

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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.