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Finding the Fourth Proportional to 243,897.23, 365,595.68 and 94,078.61

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Solution

The fourth proportional to 243,897.23, 365,595.68 and 94,078.61 is: 141,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,897.23 : 365,595.68 = 94,078.61 : x
  2. Step 2: Convert to fraction form
    243,897.23/365,595.68 = 94,078.61/x
  3. Step 3: Cross multiply
    243,897.23x = 365,595.68 × 94,078.61
  4. Step 4: Simplify right side
    243,897.23x = 34,394,734,701.89
  5. Step 5: Solve for x
    x = 34,394,734,701.89/243,897.23
  6. Step 6: Final answer
    x = 141,021.43

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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.