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Finding the Fourth Proportional to 448,482.39, 672,370.40 and 223,727.15

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Solution

The fourth proportional to 448,482.39, 672,370.40 and 223,727.15 is: 335,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,482.39 : 672,370.40 = 223,727.15 : x
  2. Step 2: Convert to fraction form
    448,482.39/672,370.40 = 223,727.15/x
  3. Step 3: Cross multiply
    448,482.39x = 672,370.40 × 223,727.15
  4. Step 4: Simplify right side
    448,482.39x = 150,427,508,855.87
  5. Step 5: Solve for x
    x = 150,427,508,855.87/448,482.39
  6. Step 6: Final answer
    x = 335,414.53

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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.