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Finding the Fourth Proportional to 303,944, 419,442.88 and 169,808

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Solution

The fourth proportional to 303,944, 419,442.88 and 169,808 is: 234,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,944 : 419,442.88 = 169,808 : x
  2. Step 2: Convert to fraction form
    303,944/419,442.88 = 169,808/x
  3. Step 3: Cross multiply
    303,944x = 419,442.88 × 169,808
  4. Step 4: Simplify right side
    303,944x = 71,224,756,567.04
  5. Step 5: Solve for x
    x = 71,224,756,567.04/303,944
  6. Step 6: Final answer
    x = 234,335.13

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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.