Home / 282,986.15-424,333.15-83,280.60

Finding the Fourth Proportional to 282,986.15, 424,333.15 and 83,280.60

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Solution

The fourth proportional to 282,986.15, 424,333.15 and 83,280.60 is: 124,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,986.15 : 424,333.15 = 83,280.60 : x
  2. Step 2: Convert to fraction form
    282,986.15/424,333.15 = 83,280.60/x
  3. Step 3: Cross multiply
    282,986.15x = 424,333.15 × 83,280.60
  4. Step 4: Simplify right side
    282,986.15x = 35,338,719,123.69
  5. Step 5: Solve for x
    x = 35,338,719,123.69/282,986.15
  6. Step 6: Final answer
    x = 124,877.91

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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.