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Finding the Fourth Proportional to 328,602, 453,470.76 and 177,699

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Solution

The fourth proportional to 328,602, 453,470.76 and 177,699 is: 245,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,602 : 453,470.76 = 177,699 : x
  2. Step 2: Convert to fraction form
    328,602/453,470.76 = 177,699/x
  3. Step 3: Cross multiply
    328,602x = 453,470.76 × 177,699
  4. Step 4: Simplify right side
    328,602x = 80,581,300,581.24
  5. Step 5: Solve for x
    x = 80,581,300,581.24/328,602
  6. Step 6: Final answer
    x = 245,224.62

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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.