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Finding the Fourth Proportional to 328,878.47, 453,850.62 and 177,975.47

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Solution

The fourth proportional to 328,878.47, 453,850.62 and 177,975.47 is: 245,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878.47 : 453,850.62 = 177,975.47 : x
  2. Step 2: Convert to fraction form
    328,878.47/453,850.62 = 177,975.47/x
  3. Step 3: Cross multiply
    328,878.47x = 453,850.62 × 177,975.47
  4. Step 4: Simplify right side
    328,878.47x = 80,774,277,404.29
  5. Step 5: Solve for x
    x = 80,774,277,404.29/328,878.47
  6. Step 6: Final answer
    x = 245,605.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.