Home / 381,987.24-572,783.76-171,445.02

Finding the Fourth Proportional to 381,987.24, 572,783.76 and 171,445.02

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Solution

The fourth proportional to 381,987.24, 572,783.76 and 171,445.02 is: 257,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,987.24 : 572,783.76 = 171,445.02 : x
  2. Step 2: Convert to fraction form
    381,987.24/572,783.76 = 171,445.02/x
  3. Step 3: Cross multiply
    381,987.24x = 572,783.76 × 171,445.02
  4. Step 4: Simplify right side
    381,987.24x = 98,200,923,188.88
  5. Step 5: Solve for x
    x = 98,200,923,188.88/381,987.24
  6. Step 6: Final answer
    x = 257,079.07

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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.