Home / 282,983.90-424,329.77-83,278.35

Finding the Fourth Proportional to 282,983.90, 424,329.77 and 83,278.35

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Solution

The fourth proportional to 282,983.90, 424,329.77 and 83,278.35 is: 124,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,983.90 : 424,329.77 = 83,278.35 : x
  2. Step 2: Convert to fraction form
    282,983.90/424,329.77 = 83,278.35/x
  3. Step 3: Cross multiply
    282,983.90x = 424,329.77 × 83,278.35
  4. Step 4: Simplify right side
    282,983.90x = 35,337,483,309.68
  5. Step 5: Solve for x
    x = 35,337,483,309.68/282,983.90
  6. Step 6: Final answer
    x = 124,874.54

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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.