Home / 276,208.05-414,384.18-86,674.43

Finding the Fourth Proportional to 276,208.05, 414,384.18 and 86,674.43

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Solution

The fourth proportional to 276,208.05, 414,384.18 and 86,674.43 is: 130,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,208.05 : 414,384.18 = 86,674.43 : x
  2. Step 2: Convert to fraction form
    276,208.05/414,384.18 = 86,674.43/x
  3. Step 3: Cross multiply
    276,208.05x = 414,384.18 × 86,674.43
  4. Step 4: Simplify right side
    276,208.05x = 35,916,513,313.45
  5. Step 5: Solve for x
    x = 35,916,513,313.45/276,208.05
  6. Step 6: Final answer
    x = 130,034.27

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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.