Home / 212,447.55-318,680.11-62,687.83

Finding the Fourth Proportional to 212,447.55, 318,680.11 and 62,687.83

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Solution

The fourth proportional to 212,447.55, 318,680.11 and 62,687.83 is: 94,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,447.55 : 318,680.11 = 62,687.83 : x
  2. Step 2: Convert to fraction form
    212,447.55/318,680.11 = 62,687.83/x
  3. Step 3: Cross multiply
    212,447.55x = 318,680.11 × 62,687.83
  4. Step 4: Simplify right side
    212,447.55x = 19,977,364,560.06
  5. Step 5: Solve for x
    x = 19,977,364,560.06/212,447.55
  6. Step 6: Final answer
    x = 94,034.34

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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.