Home / 282,983.40-424,475.10-83,310.30

Finding the Fourth Proportional to 282,983.40, 424,475.10 and 83,310.30

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Solution

The fourth proportional to 282,983.40, 424,475.10 and 83,310.30 is: 124,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,983.40 : 424,475.10 = 83,310.30 : x
  2. Step 2: Convert to fraction form
    282,983.40/424,475.10 = 83,310.30/x
  3. Step 3: Cross multiply
    282,983.40x = 424,475.10 × 83,310.30
  4. Step 4: Simplify right side
    282,983.40x = 35,363,147,923.53
  5. Step 5: Solve for x
    x = 35,363,147,923.53/282,983.40
  6. Step 6: Final answer
    x = 124,965.45

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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.