Home / 220,009.46-330,011.40-70,247.85

Finding the Fourth Proportional to 220,009.46, 330,011.40 and 70,247.85

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Solution

The fourth proportional to 220,009.46, 330,011.40 and 70,247.85 is: 105,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,009.46 : 330,011.40 = 70,247.85 : x
  2. Step 2: Convert to fraction form
    220,009.46/330,011.40 = 70,247.85/x
  3. Step 3: Cross multiply
    220,009.46x = 330,011.40 × 70,247.85
  4. Step 4: Simplify right side
    220,009.46x = 23,182,591,325.49
  5. Step 5: Solve for x
    x = 23,182,591,325.49/220,009.46
  6. Step 6: Final answer
    x = 105,370.89

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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.