Home / 667,346.56-1,001,190.47-194,031.92

Finding the Fourth Proportional to 667,346.56, 1,001,190.47 and 194,031.92

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Solution

The fourth proportional to 667,346.56, 1,001,190.47 and 194,031.92 is: 291,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,346.56 : 1,001,190.47 = 194,031.92 : x
  2. Step 2: Convert to fraction form
    667,346.56/1,001,190.47 = 194,031.92/x
  3. Step 3: Cross multiply
    667,346.56x = 1,001,190.47 × 194,031.92
  4. Step 4: Simplify right side
    667,346.56x = 194,262,910,712.62
  5. Step 5: Solve for x
    x = 194,262,910,712.62/667,346.56
  6. Step 6: Final answer
    x = 291,097.49

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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.