Home / 212,230.74-318,311.49-62,436

Finding the Fourth Proportional to 212,230.74, 318,311.49 and 62,436

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Solution

The fourth proportional to 212,230.74, 318,311.49 and 62,436 is: 93,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,230.74 : 318,311.49 = 62,436 : x
  2. Step 2: Convert to fraction form
    212,230.74/318,311.49 = 62,436/x
  3. Step 3: Cross multiply
    212,230.74x = 318,311.49 × 62,436
  4. Step 4: Simplify right side
    212,230.74x = 19,874,096,189.64
  5. Step 5: Solve for x
    x = 19,874,096,189.64/212,230.74
  6. Step 6: Final answer
    x = 93,643.82

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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.