Home / 290,028.33-434,527.54-121,176.95

Finding the Fourth Proportional to 290,028.33, 434,527.54 and 121,176.95

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Solution

The fourth proportional to 290,028.33, 434,527.54 and 121,176.95 is: 181,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,028.33 : 434,527.54 = 121,176.95 : x
  2. Step 2: Convert to fraction form
    290,028.33/434,527.54 = 121,176.95/x
  3. Step 3: Cross multiply
    290,028.33x = 434,527.54 × 121,176.95
  4. Step 4: Simplify right side
    290,028.33x = 52,654,719,512.62
  5. Step 5: Solve for x
    x = 52,654,719,512.62/290,028.33
  6. Step 6: Final answer
    x = 181,550.26

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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.