Home / 220,011.98-330,015.18-70,250.36

Finding the Fourth Proportional to 220,011.98, 330,015.18 and 70,250.36

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Solution

The fourth proportional to 220,011.98, 330,015.18 and 70,250.36 is: 105,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,011.98 : 330,015.18 = 70,250.36 : x
  2. Step 2: Convert to fraction form
    220,011.98/330,015.18 = 70,250.36/x
  3. Step 3: Cross multiply
    220,011.98x = 330,015.18 × 70,250.36
  4. Step 4: Simplify right side
    220,011.98x = 23,183,685,200.46
  5. Step 5: Solve for x
    x = 23,183,685,200.46/220,011.98
  6. Step 6: Final answer
    x = 105,374.65

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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.