Home / 206,272.02-309,408.27-56,513.61

Finding the Fourth Proportional to 206,272.02, 309,408.27 and 56,513.61

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Solution

The fourth proportional to 206,272.02, 309,408.27 and 56,513.61 is: 84,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,272.02 : 309,408.27 = 56,513.61 : x
  2. Step 2: Convert to fraction form
    206,272.02/309,408.27 = 56,513.61/x
  3. Step 3: Cross multiply
    206,272.02x = 309,408.27 × 56,513.61
  4. Step 4: Simplify right side
    206,272.02x = 17,485,778,301.55
  5. Step 5: Solve for x
    x = 17,485,778,301.55/206,272.02
  6. Step 6: Final answer
    x = 84,770.48

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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.