Home / 290,830.29-435,799.84-195,708.55

Finding the Fourth Proportional to 290,830.29, 435,799.84 and 195,708.55

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Solution

The fourth proportional to 290,830.29, 435,799.84 and 195,708.55 is: 293,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,830.29 : 435,799.84 = 195,708.55 : x
  2. Step 2: Convert to fraction form
    290,830.29/435,799.84 = 195,708.55/x
  3. Step 3: Cross multiply
    290,830.29x = 435,799.84 × 195,708.55
  4. Step 4: Simplify right side
    290,830.29x = 85,289,753,798.09
  5. Step 5: Solve for x
    x = 85,289,753,798.09/290,830.29
  6. Step 6: Final answer
    x = 293,262.97

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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.