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Finding the Fourth Proportional to 267,435.20, 401,152.80 and 89,923.70

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Solution

The fourth proportional to 267,435.20, 401,152.80 and 89,923.70 is: 134,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,435.20 : 401,152.80 = 89,923.70 : x
  2. Step 2: Convert to fraction form
    267,435.20/401,152.80 = 89,923.70/x
  3. Step 3: Cross multiply
    267,435.20x = 401,152.80 × 89,923.70
  4. Step 4: Simplify right side
    267,435.20x = 36,073,144,041.36
  5. Step 5: Solve for x
    x = 36,073,144,041.36/267,435.20
  6. Step 6: Final answer
    x = 134,885.55

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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.