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Finding the Fourth Proportional to 240,627.67, 360,816.91 and 128,277.70

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Solution

The fourth proportional to 240,627.67, 360,816.91 and 128,277.70 is: 192,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,627.67 : 360,816.91 = 128,277.70 : x
  2. Step 2: Convert to fraction form
    240,627.67/360,816.91 = 128,277.70/x
  3. Step 3: Cross multiply
    240,627.67x = 360,816.91 × 128,277.70
  4. Step 4: Simplify right side
    240,627.67x = 46,284,763,335.91
  5. Step 5: Solve for x
    x = 46,284,763,335.91/240,627.67
  6. Step 6: Final answer
    x = 192,350.13

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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.