Home / 212,684.95-318,917.06-62,905.56

Finding the Fourth Proportional to 212,684.95, 318,917.06 and 62,905.56

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Solution

The fourth proportional to 212,684.95, 318,917.06 and 62,905.56 is: 94,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,684.95 : 318,917.06 = 62,905.56 : x
  2. Step 2: Convert to fraction form
    212,684.95/318,917.06 = 62,905.56/x
  3. Step 3: Cross multiply
    212,684.95x = 318,917.06 × 62,905.56
  4. Step 4: Simplify right side
    212,684.95x = 20,061,656,252.85
  5. Step 5: Solve for x
    x = 20,061,656,252.85/212,684.95
  6. Step 6: Final answer
    x = 94,325.70

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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.