Home / 212,719.43-318,966.24-62,939.09

Finding the Fourth Proportional to 212,719.43, 318,966.24 and 62,939.09

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Solution

The fourth proportional to 212,719.43, 318,966.24 and 62,939.09 is: 94,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,719.43 : 318,966.24 = 62,939.09 : x
  2. Step 2: Convert to fraction form
    212,719.43/318,966.24 = 62,939.09/x
  3. Step 3: Cross multiply
    212,719.43x = 318,966.24 × 62,939.09
  4. Step 4: Simplify right side
    212,719.43x = 20,075,444,886.32
  5. Step 5: Solve for x
    x = 20,075,444,886.32/212,719.43
  6. Step 6: Final answer
    x = 94,375.23

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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.