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Finding the Fourth Proportional to 339,212.04, 508,818 and 198,894.12

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Solution

The fourth proportional to 339,212.04, 508,818 and 198,894.12 is: 298,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,212.04 : 508,818 = 198,894.12 : x
  2. Step 2: Convert to fraction form
    339,212.04/508,818 = 198,894.12/x
  3. Step 3: Cross multiply
    339,212.04x = 508,818 × 198,894.12
  4. Step 4: Simplify right side
    339,212.04x = 101,200,908,350.16
  5. Step 5: Solve for x
    x = 101,200,908,350.16/339,212.04
  6. Step 6: Final answer
    x = 298,341.14

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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.