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Finding the Fourth Proportional to 222,118.68, 333,177.76 and 72,358.74

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Solution

The fourth proportional to 222,118.68, 333,177.76 and 72,358.74 is: 108,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,118.68 : 333,177.76 = 72,358.74 : x
  2. Step 2: Convert to fraction form
    222,118.68/333,177.76 = 72,358.74/x
  3. Step 3: Cross multiply
    222,118.68x = 333,177.76 × 72,358.74
  4. Step 4: Simplify right side
    222,118.68x = 24,108,322,909.62
  5. Step 5: Solve for x
    x = 24,108,322,909.62/222,118.68
  6. Step 6: Final answer
    x = 108,538.03

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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.