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Finding the Fourth Proportional to 113,479.70, 170,219.55 and 30,373.70

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Solution

The fourth proportional to 113,479.70, 170,219.55 and 30,373.70 is: 45,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,479.70 : 170,219.55 = 30,373.70 : x
  2. Step 2: Convert to fraction form
    113,479.70/170,219.55 = 30,373.70/x
  3. Step 3: Cross multiply
    113,479.70x = 170,219.55 × 30,373.70
  4. Step 4: Simplify right side
    113,479.70x = 5,170,197,545.84
  5. Step 5: Solve for x
    x = 5,170,197,545.84/113,479.70
  6. Step 6: Final answer
    x = 45,560.55

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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.