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Finding the Fourth Proportional to 336,652.59, 504,979.70 and 136,832.07

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Solution

The fourth proportional to 336,652.59, 504,979.70 and 136,832.07 is: 205,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,652.59 : 504,979.70 = 136,832.07 : x
  2. Step 2: Convert to fraction form
    336,652.59/504,979.70 = 136,832.07/x
  3. Step 3: Cross multiply
    336,652.59x = 504,979.70 × 136,832.07
  4. Step 4: Simplify right side
    336,652.59x = 69,097,416,974.82
  5. Step 5: Solve for x
    x = 69,097,416,974.82/336,652.59
  6. Step 6: Final answer
    x = 205,248.43

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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.