Home / 207,862.10-311,014.65-148,028.90

Finding the Fourth Proportional to 207,862.10, 311,014.65 and 148,028.90

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Solution

The fourth proportional to 207,862.10, 311,014.65 and 148,028.90 is: 221,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,862.10 : 311,014.65 = 148,028.90 : x
  2. Step 2: Convert to fraction form
    207,862.10/311,014.65 = 148,028.90/x
  3. Step 3: Cross multiply
    207,862.10x = 311,014.65 × 148,028.90
  4. Step 4: Simplify right side
    207,862.10x = 46,039,156,523.39
  5. Step 5: Solve for x
    x = 46,039,156,523.39/207,862.10
  6. Step 6: Final answer
    x = 221,488.94

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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.