Home / 282,976.77-424,319.09-83,271.21

Finding the Fourth Proportional to 282,976.77, 424,319.09 and 83,271.21

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Solution

The fourth proportional to 282,976.77, 424,319.09 and 83,271.21 is: 124,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,976.77 : 424,319.09 = 83,271.21 : x
  2. Step 2: Convert to fraction form
    282,976.77/424,319.09 = 83,271.21/x
  3. Step 3: Cross multiply
    282,976.77x = 424,319.09 × 83,271.21
  4. Step 4: Simplify right side
    282,976.77x = 35,333,563,634.04
  5. Step 5: Solve for x
    x = 35,333,563,634.04/282,976.77
  6. Step 6: Final answer
    x = 124,863.83

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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.