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Finding the Fourth Proportional to 343,895.91, 515,850.03 and 119,264.28

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Solution

The fourth proportional to 343,895.91, 515,850.03 and 119,264.28 is: 178,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,895.91 : 515,850.03 = 119,264.28 : x
  2. Step 2: Convert to fraction form
    343,895.91/515,850.03 = 119,264.28/x
  3. Step 3: Cross multiply
    343,895.91x = 515,850.03 × 119,264.28
  4. Step 4: Simplify right side
    343,895.91x = 61,522,482,415.93
  5. Step 5: Solve for x
    x = 61,522,482,415.93/343,895.91
  6. Step 6: Final answer
    x = 178,898.56

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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.