Home / 282,929.28-424,383.84-72,569.28

Finding the Fourth Proportional to 282,929.28, 424,383.84 and 72,569.28

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Solution

The fourth proportional to 282,929.28, 424,383.84 and 72,569.28 is: 108,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,929.28 : 424,383.84 = 72,569.28 : x
  2. Step 2: Convert to fraction form
    282,929.28/424,383.84 = 72,569.28/x
  3. Step 3: Cross multiply
    282,929.28x = 424,383.84 × 72,569.28
  4. Step 4: Simplify right side
    282,929.28x = 30,797,229,712.44
  5. Step 5: Solve for x
    x = 30,797,229,712.44/282,929.28
  6. Step 6: Final answer
    x = 108,851.33

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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.