Home / 212,526.86-318,002.90-156,408.44

Finding the Fourth Proportional to 212,526.86, 318,002.90 and 156,408.44

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Solution

The fourth proportional to 212,526.86, 318,002.90 and 156,408.44 is: 234,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,526.86 : 318,002.90 = 156,408.44 : x
  2. Step 2: Convert to fraction form
    212,526.86/318,002.90 = 156,408.44/x
  3. Step 3: Cross multiply
    212,526.86x = 318,002.90 × 156,408.44
  4. Step 4: Simplify right side
    212,526.86x = 49,738,335,132.42
  5. Step 5: Solve for x
    x = 49,738,335,132.42/212,526.86
  6. Step 6: Final answer
    x = 234,033.18

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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.