Home / 311,110.57-466,562.08-121,521.79

Finding the Fourth Proportional to 311,110.57, 466,562.08 and 121,521.79

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Solution

The fourth proportional to 311,110.57, 466,562.08 and 121,521.79 is: 182,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,110.57 : 466,562.08 = 121,521.79 : x
  2. Step 2: Convert to fraction form
    311,110.57/466,562.08 = 121,521.79/x
  3. Step 3: Cross multiply
    311,110.57x = 466,562.08 × 121,521.79
  4. Step 4: Simplify right side
    311,110.57x = 56,697,459,107.72
  5. Step 5: Solve for x
    x = 56,697,459,107.72/311,110.57
  6. Step 6: Final answer
    x = 182,242.15

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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.