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Finding the Fourth Proportional to 328,744.77, 492,705.53 and 176,567.88

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Solution

The fourth proportional to 328,744.77, 492,705.53 and 176,567.88 is: 264,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,744.77 : 492,705.53 = 176,567.88 : x
  2. Step 2: Convert to fraction form
    328,744.77/492,705.53 = 176,567.88/x
  3. Step 3: Cross multiply
    328,744.77x = 492,705.53 × 176,567.88
  4. Step 4: Simplify right side
    328,744.77x = 86,995,970,013.54
  5. Step 5: Solve for x
    x = 86,995,970,013.54/328,744.77
  6. Step 6: Final answer
    x = 264,630.73

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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.