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Finding the Fourth Proportional to 247,205.70, 370,808.55 and 60,217.20

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Solution

The fourth proportional to 247,205.70, 370,808.55 and 60,217.20 is: 90,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,205.70 : 370,808.55 = 60,217.20 : x
  2. Step 2: Convert to fraction form
    247,205.70/370,808.55 = 60,217.20/x
  3. Step 3: Cross multiply
    247,205.70x = 370,808.55 × 60,217.20
  4. Step 4: Simplify right side
    247,205.70x = 22,329,052,617.06
  5. Step 5: Solve for x
    x = 22,329,052,617.06/247,205.70
  6. Step 6: Final answer
    x = 90,325.80

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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.