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Finding the Fourth Proportional to 270,833.07, 406,248.62 and 81,292.62

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Solution

The fourth proportional to 270,833.07, 406,248.62 and 81,292.62 is: 121,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,833.07 : 406,248.62 = 81,292.62 : x
  2. Step 2: Convert to fraction form
    270,833.07/406,248.62 = 81,292.62/x
  3. Step 3: Cross multiply
    270,833.07x = 406,248.62 × 81,292.62
  4. Step 4: Simplify right side
    270,833.07x = 33,025,014,284.72
  5. Step 5: Solve for x
    x = 33,025,014,284.72/270,833.07
  6. Step 6: Final answer
    x = 121,938.63

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1.5x scale

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.