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Finding the Fourth Proportional to 304,992.08, 420,889.06 and 169,046.46

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Solution

The fourth proportional to 304,992.08, 420,889.06 and 169,046.46 is: 233,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,992.08 : 420,889.06 = 169,046.46 : x
  2. Step 2: Convert to fraction form
    304,992.08/420,889.06 = 169,046.46/x
  3. Step 3: Cross multiply
    304,992.08x = 420,889.06 × 169,046.46
  4. Step 4: Simplify right side
    304,992.08x = 71,149,805,857.04
  5. Step 5: Solve for x
    x = 71,149,805,857.04/304,992.08
  6. Step 6: Final answer
    x = 233,284.11

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1.5x scale

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.