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Finding the Fourth Proportional to 222,218.70, 333,514.71 and 208,206.11

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Solution

The fourth proportional to 222,218.70, 333,514.71 and 208,206.11 is: 312,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,218.70 : 333,514.71 = 208,206.11 : x
  2. Step 2: Convert to fraction form
    222,218.70/333,514.71 = 208,206.11/x
  3. Step 3: Cross multiply
    222,218.70x = 333,514.71 × 208,206.11
  4. Step 4: Simplify right side
    222,218.70x = 69,439,798,729.30
  5. Step 5: Solve for x
    x = 69,439,798,729.30/222,218.70
  6. Step 6: Final answer
    x = 312,484.05

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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.