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Finding the Fourth Proportional to 276,627.30, 414,989.55 and 99,237.30

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Solution

The fourth proportional to 276,627.30, 414,989.55 and 99,237.30 is: 148,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,627.30 : 414,989.55 = 99,237.30 : x
  2. Step 2: Convert to fraction form
    276,627.30/414,989.55 = 99,237.30/x
  3. Step 3: Cross multiply
    276,627.30x = 414,989.55 × 99,237.30
  4. Step 4: Simplify right side
    276,627.30x = 41,182,442,470.22
  5. Step 5: Solve for x
    x = 41,182,442,470.22/276,627.30
  6. Step 6: Final answer
    x = 148,873.38

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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.