Home / 276,855.33-382,066.29-154,355.25

Finding the Fourth Proportional to 276,855.33, 382,066.29 and 154,355.25

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Solution

The fourth proportional to 276,855.33, 382,066.29 and 154,355.25 is: 213,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,855.33 : 382,066.29 = 154,355.25 : x
  2. Step 2: Convert to fraction form
    276,855.33/382,066.29 = 154,355.25/x
  3. Step 3: Cross multiply
    276,855.33x = 382,066.29 × 154,355.25
  4. Step 4: Simplify right side
    276,855.33x = 58,973,937,709.52
  5. Step 5: Solve for x
    x = 58,973,937,709.52/276,855.33
  6. Step 6: Final answer
    x = 213,013.55

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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.