Home / 320,581.64-481,038.02-140,793.32

Finding the Fourth Proportional to 320,581.64, 481,038.02 and 140,793.32

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Solution

The fourth proportional to 320,581.64, 481,038.02 and 140,793.32 is: 211,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,581.64 : 481,038.02 = 140,793.32 : x
  2. Step 2: Convert to fraction form
    320,581.64/481,038.02 = 140,793.32/x
  3. Step 3: Cross multiply
    320,581.64x = 481,038.02 × 140,793.32
  4. Step 4: Simplify right side
    320,581.64x = 67,726,939,882.03
  5. Step 5: Solve for x
    x = 67,726,939,882.03/320,581.64
  6. Step 6: Final answer
    x = 211,262.69

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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.