Home / 212,408.37-318,667.23-62,642.61

Finding the Fourth Proportional to 212,408.37, 318,667.23 and 62,642.61

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Solution

The fourth proportional to 212,408.37, 318,667.23 and 62,642.61 is: 93,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,408.37 : 318,667.23 = 62,642.61 : x
  2. Step 2: Convert to fraction form
    212,408.37/318,667.23 = 62,642.61/x
  3. Step 3: Cross multiply
    212,408.37x = 318,667.23 × 62,642.61
  4. Step 4: Simplify right side
    212,408.37x = 19,962,147,008.67
  5. Step 5: Solve for x
    x = 19,962,147,008.67/212,408.37
  6. Step 6: Final answer
    x = 93,980.04

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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.