Home / 806,112.29-1,209,178.82-237,364.08

Finding the Fourth Proportional to 806,112.29, 1,209,178.82 and 237,364.08

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Solution

The fourth proportional to 806,112.29, 1,209,178.82 and 237,364.08 is: 356,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,112.29 : 1,209,178.82 = 237,364.08 : x
  2. Step 2: Convert to fraction form
    806,112.29/1,209,178.82 = 237,364.08/x
  3. Step 3: Cross multiply
    806,112.29x = 1,209,178.82 × 237,364.08
  4. Step 4: Simplify right side
    806,112.29x = 287,015,618,164.79
  5. Step 5: Solve for x
    x = 287,015,618,164.79/806,112.29
  6. Step 6: Final answer
    x = 356,049.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.