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Finding the Fourth Proportional to 270,653.60, 406,077.60 and 112,930.40

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Solution

The fourth proportional to 270,653.60, 406,077.60 and 112,930.40 is: 169,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,653.60 : 406,077.60 = 112,930.40 : x
  2. Step 2: Convert to fraction form
    270,653.60/406,077.60 = 112,930.40/x
  3. Step 3: Cross multiply
    270,653.60x = 406,077.60 × 112,930.40
  4. Step 4: Simplify right side
    270,653.60x = 45,858,505,799.04
  5. Step 5: Solve for x
    x = 45,858,505,799.04/270,653.60
  6. Step 6: Final answer
    x = 169,436.16

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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.