Home / 212,597.03-318,895.94-199,606.25

Finding the Fourth Proportional to 212,597.03, 318,895.94 and 199,606.25

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Solution

The fourth proportional to 212,597.03, 318,895.94 and 199,606.25 is: 299,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,597.03 : 318,895.94 = 199,606.25 : x
  2. Step 2: Convert to fraction form
    212,597.03/318,895.94 = 199,606.25/x
  3. Step 3: Cross multiply
    212,597.03x = 318,895.94 × 199,606.25
  4. Step 4: Simplify right side
    212,597.03x = 63,653,620,131.11
  5. Step 5: Solve for x
    x = 63,653,620,131.11/212,597.03
  6. Step 6: Final answer
    x = 299,409.74

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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.