Home / 270,276.72-372,979.44-149,421.08

Finding the Fourth Proportional to 270,276.72, 372,979.44 and 149,421.08

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Solution

The fourth proportional to 270,276.72, 372,979.44 and 149,421.08 is: 206,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,276.72 : 372,979.44 = 149,421.08 : x
  2. Step 2: Convert to fraction form
    270,276.72/372,979.44 = 149,421.08/x
  3. Step 3: Cross multiply
    270,276.72x = 372,979.44 × 149,421.08
  4. Step 4: Simplify right side
    270,276.72x = 55,730,990,742.60
  5. Step 5: Solve for x
    x = 55,730,990,742.60/270,276.72
  6. Step 6: Final answer
    x = 206,199.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.