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Finding the Fourth Proportional to 341,268.60, 511,898.10 and 154,279.80

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Solution

The fourth proportional to 341,268.60, 511,898.10 and 154,279.80 is: 231,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,268.60 : 511,898.10 = 154,279.80 : x
  2. Step 2: Convert to fraction form
    341,268.60/511,898.10 = 154,279.80/x
  3. Step 3: Cross multiply
    341,268.60x = 511,898.10 × 154,279.80
  4. Step 4: Simplify right side
    341,268.60x = 78,975,536,488.38
  5. Step 5: Solve for x
    x = 78,975,536,488.38/341,268.60
  6. Step 6: Final answer
    x = 231,417.53

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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.