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Finding the Fourth Proportional to 328,374.36, 453,155.94 and 177,471

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Solution

The fourth proportional to 328,374.36, 453,155.94 and 177,471 is: 244,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,374.36 : 453,155.94 = 177,471 : x
  2. Step 2: Convert to fraction form
    328,374.36/453,155.94 = 177,471/x
  3. Step 3: Cross multiply
    328,374.36x = 453,155.94 × 177,471
  4. Step 4: Simplify right side
    328,374.36x = 80,422,037,827.74
  5. Step 5: Solve for x
    x = 80,422,037,827.74/328,374.36
  6. Step 6: Final answer
    x = 244,909.61

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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.