Home / 282,977.76-424,320.60-83,272.20

Finding the Fourth Proportional to 282,977.76, 424,320.60 and 83,272.20

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Solution

The fourth proportional to 282,977.76, 424,320.60 and 83,272.20 is: 124,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,977.76 : 424,320.60 = 83,272.20 : x
  2. Step 2: Convert to fraction form
    282,977.76/424,320.60 = 83,272.20/x
  3. Step 3: Cross multiply
    282,977.76x = 424,320.60 × 83,272.20
  4. Step 4: Simplify right side
    282,977.76x = 35,334,109,867.32
  5. Step 5: Solve for x
    x = 35,334,109,867.32/282,977.76
  6. Step 6: Final answer
    x = 124,865.32

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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.