Home / 212,596.02-318,894.43-199,605.24

Finding the Fourth Proportional to 212,596.02, 318,894.43 and 199,605.24

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Solution

The fourth proportional to 212,596.02, 318,894.43 and 199,605.24 is: 299,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,596.02 : 318,894.43 = 199,605.24 : x
  2. Step 2: Convert to fraction form
    212,596.02/318,894.43 = 199,605.24/x
  3. Step 3: Cross multiply
    212,596.02x = 318,894.43 × 199,605.24
  4. Step 4: Simplify right side
    212,596.02x = 63,652,999,234.81
  5. Step 5: Solve for x
    x = 63,652,999,234.81/212,596.02
  6. Step 6: Final answer
    x = 299,408.24

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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.