Home / 387,311.36-580,996.02-106,826

Finding the Fourth Proportional to 387,311.36, 580,996.02 and 106,826

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Solution

The fourth proportional to 387,311.36, 580,996.02 and 106,826 is: 160,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,311.36 : 580,996.02 = 106,826 : x
  2. Step 2: Convert to fraction form
    387,311.36/580,996.02 = 106,826/x
  3. Step 3: Cross multiply
    387,311.36x = 580,996.02 × 106,826
  4. Step 4: Simplify right side
    387,311.36x = 62,065,480,832.52
  5. Step 5: Solve for x
    x = 62,065,480,832.52/387,311.36
  6. Step 6: Final answer
    x = 160,246.99

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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.