Home / 218,936.95-328,535.13-92,570.29

Finding the Fourth Proportional to 218,936.95, 328,535.13 and 92,570.29

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Solution

The fourth proportional to 218,936.95, 328,535.13 and 92,570.29 is: 138,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,936.95 : 328,535.13 = 92,570.29 : x
  2. Step 2: Convert to fraction form
    218,936.95/328,535.13 = 92,570.29/x
  3. Step 3: Cross multiply
    218,936.95x = 328,535.13 × 92,570.29
  4. Step 4: Simplify right side
    218,936.95x = 30,412,592,259.29
  5. Step 5: Solve for x
    x = 30,412,592,259.29/218,936.95
  6. Step 6: Final answer
    x = 138,910.28

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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.