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Finding the Fourth Proportional to 240,039.33, 360,112.62 and 90,280.91

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Solution

The fourth proportional to 240,039.33, 360,112.62 and 90,280.91 is: 135,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,039.33 : 360,112.62 = 90,280.91 : x
  2. Step 2: Convert to fraction form
    240,039.33/360,112.62 = 90,280.91/x
  3. Step 3: Cross multiply
    240,039.33x = 360,112.62 × 90,280.91
  4. Step 4: Simplify right side
    240,039.33x = 32,511,295,386.75
  5. Step 5: Solve for x
    x = 32,511,295,386.75/240,039.33
  6. Step 6: Final answer
    x = 135,441.54

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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.