Home / 270,854.20-406,346.10-130,497.40

Finding the Fourth Proportional to 270,854.20, 406,346.10 and 130,497.40

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Solution

The fourth proportional to 270,854.20, 406,346.10 and 130,497.40 is: 195,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,854.20 : 406,346.10 = 130,497.40 : x
  2. Step 2: Convert to fraction form
    270,854.20/406,346.10 = 130,497.40/x
  3. Step 3: Cross multiply
    270,854.20x = 406,346.10 × 130,497.40
  4. Step 4: Simplify right side
    270,854.20x = 53,027,109,550.14
  5. Step 5: Solve for x
    x = 53,027,109,550.14/270,854.20
  6. Step 6: Final answer
    x = 195,777.32

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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.