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Finding the Fourth Proportional to 220,008.71, 330,010.28 and 70,247.10

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Solution

The fourth proportional to 220,008.71, 330,010.28 and 70,247.10 is: 105,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008.71 : 330,010.28 = 70,247.10 : x
  2. Step 2: Convert to fraction form
    220,008.71/330,010.28 = 70,247.10/x
  3. Step 3: Cross multiply
    220,008.71x = 330,010.28 × 70,247.10
  4. Step 4: Simplify right side
    220,008.71x = 23,182,264,236.04
  5. Step 5: Solve for x
    x = 23,182,264,236.04/220,008.71
  6. Step 6: Final answer
    x = 105,369.76

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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.