Home / 381,133.23-571,582.80-263,560.11

Finding the Fourth Proportional to 381,133.23, 571,582.80 and 263,560.11

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Solution

The fourth proportional to 381,133.23, 571,582.80 and 263,560.11 is: 395,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,133.23 : 571,582.80 = 263,560.11 : x
  2. Step 2: Convert to fraction form
    381,133.23/571,582.80 = 263,560.11/x
  3. Step 3: Cross multiply
    381,133.23x = 571,582.80 × 263,560.11
  4. Step 4: Simplify right side
    381,133.23x = 150,646,425,642.11
  5. Step 5: Solve for x
    x = 150,646,425,642.11/381,133.23
  6. Step 6: Final answer
    x = 395,259.23

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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.