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Finding the Fourth Proportional to 304,679.96, 420,458.08 and 168,713.90

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Solution

The fourth proportional to 304,679.96, 420,458.08 and 168,713.90 is: 232,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,679.96 : 420,458.08 = 168,713.90 : x
  2. Step 2: Convert to fraction form
    304,679.96/420,458.08 = 168,713.90/x
  3. Step 3: Cross multiply
    304,679.96x = 420,458.08 × 168,713.90
  4. Step 4: Simplify right side
    304,679.96x = 70,937,121,832.29
  5. Step 5: Solve for x
    x = 70,937,121,832.29/304,679.96
  6. Step 6: Final answer
    x = 232,825.03

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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.