Home / 212,201.84-318,301.72-52,277.47

Finding the Fourth Proportional to 212,201.84, 318,301.72 and 52,277.47

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Solution

The fourth proportional to 212,201.84, 318,301.72 and 52,277.47 is: 78,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,201.84 : 318,301.72 = 52,277.47 : x
  2. Step 2: Convert to fraction form
    212,201.84/318,301.72 = 52,277.47/x
  3. Step 3: Cross multiply
    212,201.84x = 318,301.72 × 52,277.47
  4. Step 4: Simplify right side
    212,201.84x = 16,640,007,691.80
  5. Step 5: Solve for x
    x = 16,640,007,691.80/212,201.84
  6. Step 6: Final answer
    x = 78,415.94

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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.