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Finding the Fourth Proportional to 240,506.42, 360,480.78 and 90,650.75

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Solution

The fourth proportional to 240,506.42, 360,480.78 and 90,650.75 is: 135,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,506.42 : 360,480.78 = 90,650.75 : x
  2. Step 2: Convert to fraction form
    240,506.42/360,480.78 = 90,650.75/x
  3. Step 3: Cross multiply
    240,506.42x = 360,480.78 × 90,650.75
  4. Step 4: Simplify right side
    240,506.42x = 32,677,851,265.18
  5. Step 5: Solve for x
    x = 32,677,851,265.18/240,506.42
  6. Step 6: Final answer
    x = 135,871.02

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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.