Home / 276,299.46-414,436.86-86,755.32

Finding the Fourth Proportional to 276,299.46, 414,436.86 and 86,755.32

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Solution

The fourth proportional to 276,299.46, 414,436.86 and 86,755.32 is: 130,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,299.46 : 414,436.86 = 86,755.32 : x
  2. Step 2: Convert to fraction form
    276,299.46/414,436.86 = 86,755.32/x
  3. Step 3: Cross multiply
    276,299.46x = 414,436.86 × 86,755.32
  4. Step 4: Simplify right side
    276,299.46x = 35,954,602,409.10
  5. Step 5: Solve for x
    x = 35,954,602,409.10/276,299.46
  6. Step 6: Final answer
    x = 130,129.11

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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.