Home / 282,991.33-424,487-72,629.27

Finding the Fourth Proportional to 282,991.33, 424,487 and 72,629.27

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Solution

The fourth proportional to 282,991.33, 424,487 and 72,629.27 is: 108,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,991.33 : 424,487 = 72,629.27 : x
  2. Step 2: Convert to fraction form
    282,991.33/424,487 = 72,629.27/x
  3. Step 3: Cross multiply
    282,991.33x = 424,487 × 72,629.27
  4. Step 4: Simplify right side
    282,991.33x = 30,830,180,934.49
  5. Step 5: Solve for x
    x = 30,830,180,934.49/282,991.33
  6. Step 6: Final answer
    x = 108,943.91

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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.