Home / 303,447.04-418,567.68-218,429.44

Finding the Fourth Proportional to 303,447.04, 418,567.68 and 218,429.44

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Solution

The fourth proportional to 303,447.04, 418,567.68 and 218,429.44 is: 301,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,447.04 : 418,567.68 = 218,429.44 : x
  2. Step 2: Convert to fraction form
    303,447.04/418,567.68 = 218,429.44/x
  3. Step 3: Cross multiply
    303,447.04x = 418,567.68 × 218,429.44
  4. Step 4: Simplify right side
    303,447.04x = 91,427,503,944.50
  5. Step 5: Solve for x
    x = 91,427,503,944.50/303,447.04
  6. Step 6: Final answer
    x = 301,296.41

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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.