Home / 220,150.61-330,266.92-70,428.59

Finding the Fourth Proportional to 220,150.61, 330,266.92 and 70,428.59

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Solution

The fourth proportional to 220,150.61, 330,266.92 and 70,428.59 is: 105,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,150.61 : 330,266.92 = 70,428.59 : x
  2. Step 2: Convert to fraction form
    220,150.61/330,266.92 = 70,428.59/x
  3. Step 3: Cross multiply
    220,150.61x = 330,266.92 × 70,428.59
  4. Step 4: Simplify right side
    220,150.61x = 23,260,233,042.39
  5. Step 5: Solve for x
    x = 23,260,233,042.39/220,150.61
  6. Step 6: Final answer
    x = 105,656.00

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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.