Home / 381,276.72-572,090.04-194,419.44

Finding the Fourth Proportional to 381,276.72, 572,090.04 and 194,419.44

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Solution

The fourth proportional to 381,276.72, 572,090.04 and 194,419.44 is: 291,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,276.72 : 572,090.04 = 194,419.44 : x
  2. Step 2: Convert to fraction form
    381,276.72/572,090.04 = 194,419.44/x
  3. Step 3: Cross multiply
    381,276.72x = 572,090.04 × 194,419.44
  4. Step 4: Simplify right side
    381,276.72x = 111,225,425,206.38
  5. Step 5: Solve for x
    x = 111,225,425,206.38/381,276.72
  6. Step 6: Final answer
    x = 291,718.38

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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.