Home / 381,837.80-572,583.90-171,367.40

Finding the Fourth Proportional to 381,837.80, 572,583.90 and 171,367.40

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Solution

The fourth proportional to 381,837.80, 572,583.90 and 171,367.40 is: 256,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,837.80 : 572,583.90 = 171,367.40 : x
  2. Step 2: Convert to fraction form
    381,837.80/572,583.90 = 171,367.40/x
  3. Step 3: Cross multiply
    381,837.80x = 572,583.90 × 171,367.40
  4. Step 4: Simplify right side
    381,837.80x = 98,122,214,224.86
  5. Step 5: Solve for x
    x = 98,122,214,224.86/381,837.80
  6. Step 6: Final answer
    x = 256,973.55

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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.