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Finding the Fourth Proportional to 228,609.36, 342,788.92 and 181,526.88

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Solution

The fourth proportional to 228,609.36, 342,788.92 and 181,526.88 is: 272,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,609.36 : 342,788.92 = 181,526.88 : x
  2. Step 2: Convert to fraction form
    228,609.36/342,788.92 = 181,526.88/x
  3. Step 3: Cross multiply
    228,609.36x = 342,788.92 × 181,526.88
  4. Step 4: Simplify right side
    228,609.36x = 62,225,403,146.17
  5. Step 5: Solve for x
    x = 62,225,403,146.17/228,609.36
  6. Step 6: Final answer
    x = 272,190.97

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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.