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Finding the Fourth Proportional to 485,316.73, 669,737.73 and 270,452.08

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Solution

The fourth proportional to 485,316.73, 669,737.73 and 270,452.08 is: 373,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,316.73 : 669,737.73 = 270,452.08 : x
  2. Step 2: Convert to fraction form
    485,316.73/669,737.73 = 270,452.08/x
  3. Step 3: Cross multiply
    485,316.73x = 669,737.73 × 270,452.08
  4. Step 4: Simplify right side
    485,316.73x = 181,131,962,132.98
  5. Step 5: Solve for x
    x = 181,131,962,132.98/485,316.73
  6. Step 6: Final answer
    x = 373,224.23

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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.