Home / 220,010.97-330,013.67-70,249.36

Finding the Fourth Proportional to 220,010.97, 330,013.67 and 70,249.36

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Solution

The fourth proportional to 220,010.97, 330,013.67 and 70,249.36 is: 105,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,010.97 : 330,013.67 = 70,249.36 : x
  2. Step 2: Convert to fraction form
    220,010.97/330,013.67 = 70,249.36/x
  3. Step 3: Cross multiply
    220,010.97x = 330,013.67 × 70,249.36
  4. Step 4: Simplify right side
    220,010.97x = 23,183,249,108.75
  5. Step 5: Solve for x
    x = 23,183,249,108.75/220,010.97
  6. Step 6: Final answer
    x = 105,373.15

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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.