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Finding the Fourth Proportional to 295,191.96, 407,362.80 and 167,867.52

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Solution

The fourth proportional to 295,191.96, 407,362.80 and 167,867.52 is: 231,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,191.96 : 407,362.80 = 167,867.52 : x
  2. Step 2: Convert to fraction form
    295,191.96/407,362.80 = 167,867.52/x
  3. Step 3: Cross multiply
    295,191.96x = 407,362.80 × 167,867.52
  4. Step 4: Simplify right side
    295,191.96x = 68,382,982,976.26
  5. Step 5: Solve for x
    x = 68,382,982,976.26/295,191.96
  6. Step 6: Final answer
    x = 231,655.98

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1.5x scale

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.