Home / 276,812.60-415,218.90-89,824.10

Finding the Fourth Proportional to 276,812.60, 415,218.90 and 89,824.10

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Solution

The fourth proportional to 276,812.60, 415,218.90 and 89,824.10 is: 134,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,812.60 : 415,218.90 = 89,824.10 : x
  2. Step 2: Convert to fraction form
    276,812.60/415,218.90 = 89,824.10/x
  3. Step 3: Cross multiply
    276,812.60x = 415,218.90 × 89,824.10
  4. Step 4: Simplify right side
    276,812.60x = 37,296,663,995.49
  5. Step 5: Solve for x
    x = 37,296,663,995.49/276,812.60
  6. Step 6: Final answer
    x = 134,736.15

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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.