Home / 220,706.12-330,981.33-70,895.81

Finding the Fourth Proportional to 220,706.12, 330,981.33 and 70,895.81

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Solution

The fourth proportional to 220,706.12, 330,981.33 and 70,895.81 is: 106,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,706.12 : 330,981.33 = 70,895.81 : x
  2. Step 2: Convert to fraction form
    220,706.12/330,981.33 = 70,895.81/x
  3. Step 3: Cross multiply
    220,706.12x = 330,981.33 × 70,895.81
  4. Step 4: Simplify right side
    220,706.12x = 23,465,189,485.23
  5. Step 5: Solve for x
    x = 23,465,189,485.23/220,706.12
  6. Step 6: Final answer
    x = 106,318.71

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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.