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Finding the Fourth Proportional to 289,770, 399,884.04 and 168,995.04

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Solution

The fourth proportional to 289,770, 399,884.04 and 168,995.04 is: 233,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,770 : 399,884.04 = 168,995.04 : x
  2. Step 2: Convert to fraction form
    289,770/399,884.04 = 168,995.04/x
  3. Step 3: Cross multiply
    289,770x = 399,884.04 × 168,995.04
  4. Step 4: Simplify right side
    289,770x = 67,578,419,335.16
  5. Step 5: Solve for x
    x = 67,578,419,335.16/289,770
  6. Step 6: Final answer
    x = 233,214.00

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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.