Home / 229,110.12-316,283.94-205,140.60

Finding the Fourth Proportional to 229,110.12, 316,283.94 and 205,140.60

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Solution

The fourth proportional to 229,110.12, 316,283.94 and 205,140.60 is: 283,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,110.12 : 316,283.94 = 205,140.60 : x
  2. Step 2: Convert to fraction form
    229,110.12/316,283.94 = 205,140.60/x
  3. Step 3: Cross multiply
    229,110.12x = 316,283.94 × 205,140.60
  4. Step 4: Simplify right side
    229,110.12x = 64,882,677,221.96
  5. Step 5: Solve for x
    x = 64,882,677,221.96/229,110.12
  6. Step 6: Final answer
    x = 283,194.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.