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Finding the Fourth Proportional to 240,813.38, 361,237.38 and 83,039.55

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Solution

The fourth proportional to 240,813.38, 361,237.38 and 83,039.55 is: 124,565.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,813.38 : 361,237.38 = 83,039.55 : x
  2. Step 2: Convert to fraction form
    240,813.38/361,237.38 = 83,039.55/x
  3. Step 3: Cross multiply
    240,813.38x = 361,237.38 × 83,039.55
  4. Step 4: Simplify right side
    240,813.38x = 29,996,989,478.38
  5. Step 5: Solve for x
    x = 29,996,989,478.38/240,813.38
  6. Step 6: Final answer
    x = 124,565.29

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1.5x scale

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.