Home / 276,311.77-414,467.63-76,632.15

Finding the Fourth Proportional to 276,311.77, 414,467.63 and 76,632.15

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Solution

The fourth proportional to 276,311.77, 414,467.63 and 76,632.15 is: 114,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,311.77 : 414,467.63 = 76,632.15 : x
  2. Step 2: Convert to fraction form
    276,311.77/414,467.63 = 76,632.15/x
  3. Step 3: Cross multiply
    276,311.77x = 414,467.63 × 76,632.15
  4. Step 4: Simplify right side
    276,311.77x = 31,761,544,892.42
  5. Step 5: Solve for x
    x = 31,761,544,892.42/276,311.77
  6. Step 6: Final answer
    x = 114,948.22

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1.5x scale

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.