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Finding the Fourth Proportional to 235,725.88, 353,026.01 and 135,675.77

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Solution

The fourth proportional to 235,725.88, 353,026.01 and 135,675.77 is: 203,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,725.88 : 353,026.01 = 135,675.77 : x
  2. Step 2: Convert to fraction form
    235,725.88/353,026.01 = 135,675.77/x
  3. Step 3: Cross multiply
    235,725.88x = 353,026.01 × 135,675.77
  4. Step 4: Simplify right side
    235,725.88x = 47,897,074,345.43
  5. Step 5: Solve for x
    x = 47,897,074,345.43/235,725.88
  6. Step 6: Final answer
    x = 203,189.72

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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.