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Finding the Fourth Proportional to 243,759.27, 365,339.44 and 136,918.64

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Solution

The fourth proportional to 243,759.27, 365,339.44 and 136,918.64 is: 205,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,759.27 : 365,339.44 = 136,918.64 : x
  2. Step 2: Convert to fraction form
    243,759.27/365,339.44 = 136,918.64/x
  3. Step 3: Cross multiply
    243,759.27x = 365,339.44 × 136,918.64
  4. Step 4: Simplify right side
    243,759.27x = 50,021,779,263.16
  5. Step 5: Solve for x
    x = 50,021,779,263.16/243,759.27
  6. Step 6: Final answer
    x = 205,209.75

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1.5x scale

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.