Home / 220,177.84-330,274.05-70,439.62

Finding the Fourth Proportional to 220,177.84, 330,274.05 and 70,439.62

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Solution

The fourth proportional to 220,177.84, 330,274.05 and 70,439.62 is: 105,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,177.84 : 330,274.05 = 70,439.62 : x
  2. Step 2: Convert to fraction form
    220,177.84/330,274.05 = 70,439.62/x
  3. Step 3: Cross multiply
    220,177.84x = 330,274.05 × 70,439.62
  4. Step 4: Simplify right side
    220,177.84x = 23,264,378,577.86
  5. Step 5: Solve for x
    x = 23,264,378,577.86/220,177.84
  6. Step 6: Final answer
    x = 105,661.76

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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.