Home / 311,065.03-466,575.63-121,489.78

Finding the Fourth Proportional to 311,065.03, 466,575.63 and 121,489.78

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Solution

The fourth proportional to 311,065.03, 466,575.63 and 121,489.78 is: 182,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,065.03 : 466,575.63 = 121,489.78 : x
  2. Step 2: Convert to fraction form
    311,065.03/466,575.63 = 121,489.78/x
  3. Step 3: Cross multiply
    311,065.03x = 466,575.63 × 121,489.78
  4. Step 4: Simplify right side
    311,065.03x = 56,684,170,642.06
  5. Step 5: Solve for x
    x = 56,684,170,642.06/311,065.03
  6. Step 6: Final answer
    x = 182,226.11

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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.