Home / 381,277.48-571,544.34-181,544.20

Finding the Fourth Proportional to 381,277.48, 571,544.34 and 181,544.20

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Solution

The fourth proportional to 381,277.48, 571,544.34 and 181,544.20 is: 272,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,277.48 : 571,544.34 = 181,544.20 : x
  2. Step 2: Convert to fraction form
    381,277.48/571,544.34 = 181,544.20/x
  3. Step 3: Cross multiply
    381,277.48x = 571,544.34 × 181,544.20
  4. Step 4: Simplify right side
    381,277.48x = 103,760,559,969.83
  5. Step 5: Solve for x
    x = 103,760,559,969.83/381,277.48
  6. Step 6: Final answer
    x = 272,139.23

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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.