Home / 381,328.42-571,620.56-181,595.02

Finding the Fourth Proportional to 381,328.42, 571,620.56 and 181,595.02

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Solution

The fourth proportional to 381,328.42, 571,620.56 and 181,595.02 is: 272,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,328.42 : 571,620.56 = 181,595.02 : x
  2. Step 2: Convert to fraction form
    381,328.42/571,620.56 = 181,595.02/x
  3. Step 3: Cross multiply
    381,328.42x = 571,620.56 × 181,595.02
  4. Step 4: Simplify right side
    381,328.42x = 103,803,447,025.61
  5. Step 5: Solve for x
    x = 103,803,447,025.61/381,328.42
  6. Step 6: Final answer
    x = 272,215.34

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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.