Home / 290,829.79-435,799.09-195,708.05

Finding the Fourth Proportional to 290,829.79, 435,799.09 and 195,708.05

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Solution

The fourth proportional to 290,829.79, 435,799.09 and 195,708.05 is: 293,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,829.79 : 435,799.09 = 195,708.05 : x
  2. Step 2: Convert to fraction form
    290,829.79/435,799.09 = 195,708.05/x
  3. Step 3: Cross multiply
    290,829.79x = 435,799.09 × 195,708.05
  4. Step 4: Simplify right side
    290,829.79x = 85,289,388,694.70
  5. Step 5: Solve for x
    x = 85,289,388,694.70/290,829.79
  6. Step 6: Final answer
    x = 293,262.21

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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.