Home / 316,311.18-473,941.87-222,620.10

Finding the Fourth Proportional to 316,311.18, 473,941.87 and 222,620.10

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Solution

The fourth proportional to 316,311.18, 473,941.87 and 222,620.10 is: 333,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,311.18 : 473,941.87 = 222,620.10 : x
  2. Step 2: Convert to fraction form
    316,311.18/473,941.87 = 222,620.10/x
  3. Step 3: Cross multiply
    316,311.18x = 473,941.87 × 222,620.10
  4. Step 4: Simplify right side
    316,311.18x = 105,508,986,493.59
  5. Step 5: Solve for x
    x = 105,508,986,493.59/316,311.18
  6. Step 6: Final answer
    x = 333,560.72

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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.