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Finding the Fourth Proportional to 80,240.98, 110,731.19 and 44,430.22

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Solution

The fourth proportional to 80,240.98, 110,731.19 and 44,430.22 is: 61,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,240.98 : 110,731.19 = 44,430.22 : x
  2. Step 2: Convert to fraction form
    80,240.98/110,731.19 = 44,430.22/x
  3. Step 3: Cross multiply
    80,240.98x = 110,731.19 × 44,430.22
  4. Step 4: Simplify right side
    80,240.98x = 4,919,810,956.56
  5. Step 5: Solve for x
    x = 4,919,810,956.56/80,240.98
  6. Step 6: Final answer
    x = 61,312.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.