Home / 316,310.68-473,941.10-222,619.60

Finding the Fourth Proportional to 316,310.68, 473,941.10 and 222,619.60

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Solution

The fourth proportional to 316,310.68, 473,941.10 and 222,619.60 is: 333,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,310.68 : 473,941.10 = 222,619.60 : x
  2. Step 2: Convert to fraction form
    316,310.68/473,941.10 = 222,619.60/x
  3. Step 3: Cross multiply
    316,310.68x = 473,941.10 × 222,619.60
  4. Step 4: Simplify right side
    316,310.68x = 105,508,578,105.56
  5. Step 5: Solve for x
    x = 105,508,578,105.56/316,310.68
  6. Step 6: Final answer
    x = 333,559.96

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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.