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Finding the Fourth Proportional to 328,633, 453,513.70 and 177,729.96

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Solution

The fourth proportional to 328,633, 453,513.70 and 177,729.96 is: 245,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,633 : 453,513.70 = 177,729.96 : x
  2. Step 2: Convert to fraction form
    328,633/453,513.70 = 177,729.96/x
  3. Step 3: Cross multiply
    328,633x = 453,513.70 × 177,729.96
  4. Step 4: Simplify right side
    328,633x = 80,602,971,760.45
  5. Step 5: Solve for x
    x = 80,602,971,760.45/328,633
  6. Step 6: Final answer
    x = 245,267.43

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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.