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Finding the Fourth Proportional to 277,800.56, 416,730.12 and 90,811.76

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Solution

The fourth proportional to 277,800.56, 416,730.12 and 90,811.76 is: 136,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,800.56 : 416,730.12 = 90,811.76 : x
  2. Step 2: Convert to fraction form
    277,800.56/416,730.12 = 90,811.76/x
  3. Step 3: Cross multiply
    277,800.56x = 416,730.12 × 90,811.76
  4. Step 4: Simplify right side
    277,800.56x = 37,843,995,642.21
  5. Step 5: Solve for x
    x = 37,843,995,642.21/277,800.56
  6. Step 6: Final answer
    x = 136,227.21

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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.