Home / 276,254.80-414,341.19-76,554.36

Finding the Fourth Proportional to 276,254.80, 414,341.19 and 76,554.36

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Solution

The fourth proportional to 276,254.80, 414,341.19 and 76,554.36 is: 114,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,254.80 : 414,341.19 = 76,554.36 : x
  2. Step 2: Convert to fraction form
    276,254.80/414,341.19 = 76,554.36/x
  3. Step 3: Cross multiply
    276,254.80x = 414,341.19 × 76,554.36
  4. Step 4: Simplify right side
    276,254.80x = 31,719,626,175.87
  5. Step 5: Solve for x
    x = 31,719,626,175.87/276,254.80
  6. Step 6: Final answer
    x = 114,820.18

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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.