Home / 186,406.80-279,589.28-51,490.05

Finding the Fourth Proportional to 186,406.80, 279,589.28 and 51,490.05

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Solution

The fourth proportional to 186,406.80, 279,589.28 and 51,490.05 is: 77,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,406.80 : 279,589.28 = 51,490.05 : x
  2. Step 2: Convert to fraction form
    186,406.80/279,589.28 = 51,490.05/x
  3. Step 3: Cross multiply
    186,406.80x = 279,589.28 × 51,490.05
  4. Step 4: Simplify right side
    186,406.80x = 14,396,065,749.21
  5. Step 5: Solve for x
    x = 14,396,065,749.21/186,406.80
  6. Step 6: Final answer
    x = 77,229.30

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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.