Home / 269,429.40-371,837.43-154,723.05

Finding the Fourth Proportional to 269,429.40, 371,837.43 and 154,723.05

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Solution

The fourth proportional to 269,429.40, 371,837.43 and 154,723.05 is: 213,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,429.40 : 371,837.43 = 154,723.05 : x
  2. Step 2: Convert to fraction form
    269,429.40/371,837.43 = 154,723.05/x
  3. Step 3: Cross multiply
    269,429.40x = 371,837.43 × 154,723.05
  4. Step 4: Simplify right side
    269,429.40x = 57,531,821,273.76
  5. Step 5: Solve for x
    x = 57,531,821,273.76/269,429.40
  6. Step 6: Final answer
    x = 213,532.08

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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.