Home / 215,505.42-297,317.07-215,173.14

Finding the Fourth Proportional to 215,505.42, 297,317.07 and 215,173.14

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Solution

The fourth proportional to 215,505.42, 297,317.07 and 215,173.14 is: 296,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,505.42 : 297,317.07 = 215,173.14 : x
  2. Step 2: Convert to fraction form
    215,505.42/297,317.07 = 215,173.14/x
  3. Step 3: Cross multiply
    215,505.42x = 297,317.07 × 215,173.14
  4. Step 4: Simplify right side
    215,505.42x = 63,974,647,527.50
  5. Step 5: Solve for x
    x = 63,974,647,527.50/215,505.42
  6. Step 6: Final answer
    x = 296,858.65

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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.