Home / 381,719.40-572,579.10-182,135.40

Finding the Fourth Proportional to 381,719.40, 572,579.10 and 182,135.40

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Solution

The fourth proportional to 381,719.40, 572,579.10 and 182,135.40 is: 273,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,719.40 : 572,579.10 = 182,135.40 : x
  2. Step 2: Convert to fraction form
    381,719.40/572,579.10 = 182,135.40/x
  3. Step 3: Cross multiply
    381,719.40x = 572,579.10 × 182,135.40
  4. Step 4: Simplify right side
    381,719.40x = 104,286,923,410.14
  5. Step 5: Solve for x
    x = 104,286,923,410.14/381,719.40
  6. Step 6: Final answer
    x = 273,203.10

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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.