Home / 211,517.64-291,941.28-165,486.48

Finding the Fourth Proportional to 211,517.64, 291,941.28 and 165,486.48

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Solution

The fourth proportional to 211,517.64, 291,941.28 and 165,486.48 is: 228,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,517.64 : 291,941.28 = 165,486.48 : x
  2. Step 2: Convert to fraction form
    211,517.64/291,941.28 = 165,486.48/x
  3. Step 3: Cross multiply
    211,517.64x = 291,941.28 × 165,486.48
  4. Step 4: Simplify right side
    211,517.64x = 48,312,334,793.89
  5. Step 5: Solve for x
    x = 48,312,334,793.89/211,517.64
  6. Step 6: Final answer
    x = 228,408.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.