Home / 220,012.98-330,016.68-70,251.36

Finding the Fourth Proportional to 220,012.98, 330,016.68 and 70,251.36

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Solution

The fourth proportional to 220,012.98, 330,016.68 and 70,251.36 is: 105,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,012.98 : 330,016.68 = 70,251.36 : x
  2. Step 2: Convert to fraction form
    220,012.98/330,016.68 = 70,251.36/x
  3. Step 3: Cross multiply
    220,012.98x = 330,016.68 × 70,251.36
  4. Step 4: Simplify right side
    220,012.98x = 23,184,120,592.68
  5. Step 5: Solve for x
    x = 23,184,120,592.68/220,012.98
  6. Step 6: Final answer
    x = 105,376.15

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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.