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Finding the Fourth Proportional to 277,478.45, 416,200.59 and 170,882.72

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Solution

The fourth proportional to 277,478.45, 416,200.59 and 170,882.72 is: 256,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,478.45 : 416,200.59 = 170,882.72 : x
  2. Step 2: Convert to fraction form
    277,478.45/416,200.59 = 170,882.72/x
  3. Step 3: Cross multiply
    277,478.45x = 416,200.59 × 170,882.72
  4. Step 4: Simplify right side
    277,478.45x = 71,121,486,803.80
  5. Step 5: Solve for x
    x = 71,121,486,803.80/277,478.45
  6. Step 6: Final answer
    x = 256,313.56

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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.