Home / 220,445.28-330,505.10-70,598.88

Finding the Fourth Proportional to 220,445.28, 330,505.10 and 70,598.88

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Solution

The fourth proportional to 220,445.28, 330,505.10 and 70,598.88 is: 105,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,445.28 : 330,505.10 = 70,598.88 : x
  2. Step 2: Convert to fraction form
    220,445.28/330,505.10 = 70,598.88/x
  3. Step 3: Cross multiply
    220,445.28x = 330,505.10 × 70,598.88
  4. Step 4: Simplify right side
    220,445.28x = 23,333,289,894.29
  5. Step 5: Solve for x
    x = 23,333,289,894.29/220,445.28
  6. Step 6: Final answer
    x = 105,846.18

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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.