Home / 307,727.10-461,331.45-159,983.10

Finding the Fourth Proportional to 307,727.10, 461,331.45 and 159,983.10

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Solution

The fourth proportional to 307,727.10, 461,331.45 and 159,983.10 is: 239,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,727.10 : 461,331.45 = 159,983.10 : x
  2. Step 2: Convert to fraction form
    307,727.10/461,331.45 = 159,983.10/x
  3. Step 3: Cross multiply
    307,727.10x = 461,331.45 × 159,983.10
  4. Step 4: Simplify right side
    307,727.10x = 73,805,235,498.50
  5. Step 5: Solve for x
    x = 73,805,235,498.50/307,727.10
  6. Step 6: Final answer
    x = 239,839.90

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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.