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Finding the Fourth Proportional to 270,211.80, 404,151.30 and 228,221.40

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Solution

The fourth proportional to 270,211.80, 404,151.30 and 228,221.40 is: 341,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,211.80 : 404,151.30 = 228,221.40 : x
  2. Step 2: Convert to fraction form
    270,211.80/404,151.30 = 228,221.40/x
  3. Step 3: Cross multiply
    270,211.80x = 404,151.30 × 228,221.40
  4. Step 4: Simplify right side
    270,211.80x = 92,235,975,497.82
  5. Step 5: Solve for x
    x = 92,235,975,497.82/270,211.80
  6. Step 6: Final answer
    x = 341,346.96

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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.