Home / 355,740.05-490,914.82-194,593.69

Finding the Fourth Proportional to 355,740.05, 490,914.82 and 194,593.69

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Solution

The fourth proportional to 355,740.05, 490,914.82 and 194,593.69 is: 268,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,740.05 : 490,914.82 = 194,593.69 : x
  2. Step 2: Convert to fraction form
    355,740.05/490,914.82 = 194,593.69/x
  3. Step 3: Cross multiply
    355,740.05x = 490,914.82 × 194,593.69
  4. Step 4: Simplify right side
    355,740.05x = 95,528,926,299.49
  5. Step 5: Solve for x
    x = 95,528,926,299.49/355,740.05
  6. Step 6: Final answer
    x = 268,535.76

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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.