Home / 208,189.22-312,277.10-88,214.11

Finding the Fourth Proportional to 208,189.22, 312,277.10 and 88,214.11

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Solution

The fourth proportional to 208,189.22, 312,277.10 and 88,214.11 is: 132,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,189.22 : 312,277.10 = 88,214.11 : x
  2. Step 2: Convert to fraction form
    208,189.22/312,277.10 = 88,214.11/x
  3. Step 3: Cross multiply
    208,189.22x = 312,277.10 × 88,214.11
  4. Step 4: Simplify right side
    208,189.22x = 27,547,245,228.12
  5. Step 5: Solve for x
    x = 27,547,245,228.12/208,189.22
  6. Step 6: Final answer
    x = 132,318.31

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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.