Home / 320,844.02-481,739.14-178,966.50

Finding the Fourth Proportional to 320,844.02, 481,739.14 and 178,966.50

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Solution

The fourth proportional to 320,844.02, 481,739.14 and 178,966.50 is: 268,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,844.02 : 481,739.14 = 178,966.50 : x
  2. Step 2: Convert to fraction form
    320,844.02/481,739.14 = 178,966.50/x
  3. Step 3: Cross multiply
    320,844.02x = 481,739.14 × 178,966.50
  4. Step 4: Simplify right side
    320,844.02x = 86,215,167,351.39
  5. Step 5: Solve for x
    x = 86,215,167,351.39/320,844.02
  6. Step 6: Final answer
    x = 268,713.65

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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.