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Finding the Fourth Proportional to 243,837.59, 336,496.37 and 136,409.42

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Solution

The fourth proportional to 243,837.59, 336,496.37 and 136,409.42 is: 188,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,837.59 : 336,496.37 = 136,409.42 : x
  2. Step 2: Convert to fraction form
    243,837.59/336,496.37 = 136,409.42/x
  3. Step 3: Cross multiply
    243,837.59x = 336,496.37 × 136,409.42
  4. Step 4: Simplify right side
    243,837.59x = 45,901,272,299.28
  5. Step 5: Solve for x
    x = 45,901,272,299.28/243,837.59
  6. Step 6: Final answer
    x = 188,245.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.