Home / 276,688.35-414,095.10-170,139.79

Finding the Fourth Proportional to 276,688.35, 414,095.10 and 170,139.79

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Solution

The fourth proportional to 276,688.35, 414,095.10 and 170,139.79 is: 254,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,688.35 : 414,095.10 = 170,139.79 : x
  2. Step 2: Convert to fraction form
    276,688.35/414,095.10 = 170,139.79/x
  3. Step 3: Cross multiply
    276,688.35x = 414,095.10 × 170,139.79
  4. Step 4: Simplify right side
    276,688.35x = 70,454,052,318.79
  5. Step 5: Solve for x
    x = 70,454,052,318.79/276,688.35
  6. Step 6: Final answer
    x = 254,633.24

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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.