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Finding the Fourth Proportional to 342,015.95, 512,900.89 and 117,318.11

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Solution

The fourth proportional to 342,015.95, 512,900.89 and 117,318.11 is: 175,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,015.95 : 512,900.89 = 117,318.11 : x
  2. Step 2: Convert to fraction form
    342,015.95/512,900.89 = 117,318.11/x
  3. Step 3: Cross multiply
    342,015.95x = 512,900.89 × 117,318.11
  4. Step 4: Simplify right side
    342,015.95x = 60,172,560,174.32
  5. Step 5: Solve for x
    x = 60,172,560,174.32/342,015.95
  6. Step 6: Final answer
    x = 175,934.95

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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.