Home / 777,130.20-1,165,773.06-216,164.70

Finding the Fourth Proportional to 777,130.20, 1,165,773.06 and 216,164.70

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Solution

The fourth proportional to 777,130.20, 1,165,773.06 and 216,164.70 is: 324,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,130.20 : 1,165,773.06 = 216,164.70 : x
  2. Step 2: Convert to fraction form
    777,130.20/1,165,773.06 = 216,164.70/x
  3. Step 3: Cross multiply
    777,130.20x = 1,165,773.06 × 216,164.70
  4. Step 4: Simplify right side
    777,130.20x = 251,998,983,782.98
  5. Step 5: Solve for x
    x = 251,998,983,782.98/777,130.20
  6. Step 6: Final answer
    x = 324,268.68

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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.