Home / 447,932.94-618,142.17-243,983.22

Finding the Fourth Proportional to 447,932.94, 618,142.17 and 243,983.22

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Solution

The fourth proportional to 447,932.94, 618,142.17 and 243,983.22 is: 336,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,932.94 : 618,142.17 = 243,983.22 : x
  2. Step 2: Convert to fraction form
    447,932.94/618,142.17 = 243,983.22/x
  3. Step 3: Cross multiply
    447,932.94x = 618,142.17 × 243,983.22
  4. Step 4: Simplify right side
    447,932.94x = 150,816,317,054.39
  5. Step 5: Solve for x
    x = 150,816,317,054.39/447,932.94
  6. Step 6: Final answer
    x = 336,693.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.