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Finding the Fourth Proportional to 276,007.40, 413,865.30 and 118,057.40

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Solution

The fourth proportional to 276,007.40, 413,865.30 and 118,057.40 is: 177,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,007.40 : 413,865.30 = 118,057.40 : x
  2. Step 2: Convert to fraction form
    276,007.40/413,865.30 = 118,057.40/x
  3. Step 3: Cross multiply
    276,007.40x = 413,865.30 × 118,057.40
  4. Step 4: Simplify right side
    276,007.40x = 48,859,861,268.22
  5. Step 5: Solve for x
    x = 48,859,861,268.22/276,007.40
  6. Step 6: Final answer
    x = 177,023.74

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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.