Home / 490,170.05-676,421.17-272,373.10

Finding the Fourth Proportional to 490,170.05, 676,421.17 and 272,373.10

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Solution

The fourth proportional to 490,170.05, 676,421.17 and 272,373.10 is: 375,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,170.05 : 676,421.17 = 272,373.10 : x
  2. Step 2: Convert to fraction form
    490,170.05/676,421.17 = 272,373.10/x
  3. Step 3: Cross multiply
    490,170.05x = 676,421.17 × 272,373.10
  4. Step 4: Simplify right side
    490,170.05x = 184,238,926,234.56
  5. Step 5: Solve for x
    x = 184,238,926,234.56/490,170.05
  6. Step 6: Final answer
    x = 375,867.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.