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Finding the Fourth Proportional to 328,155, 452,854.08 and 177,252

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Solution

The fourth proportional to 328,155, 452,854.08 and 177,252 is: 244,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,155 : 452,854.08 = 177,252 : x
  2. Step 2: Convert to fraction form
    328,155/452,854.08 = 177,252/x
  3. Step 3: Cross multiply
    328,155x = 452,854.08 × 177,252
  4. Step 4: Simplify right side
    328,155x = 80,269,291,388.16
  5. Step 5: Solve for x
    x = 80,269,291,388.16/328,155
  6. Step 6: Final answer
    x = 244,607.86

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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.