Home / 220,229.20-330,416.70-70,492.60

Finding the Fourth Proportional to 220,229.20, 330,416.70 and 70,492.60

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Solution

The fourth proportional to 220,229.20, 330,416.70 and 70,492.60 is: 105,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,229.20 : 330,416.70 = 70,492.60 : x
  2. Step 2: Convert to fraction form
    220,229.20/330,416.70 = 70,492.60/x
  3. Step 3: Cross multiply
    220,229.20x = 330,416.70 × 70,492.60
  4. Step 4: Simplify right side
    220,229.20x = 23,291,932,266.42
  5. Step 5: Solve for x
    x = 23,291,932,266.42/220,229.20
  6. Step 6: Final answer
    x = 105,762.23

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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.