Home / 283,734.24-391,580.88-211,989.72

Finding the Fourth Proportional to 283,734.24, 391,580.88 and 211,989.72

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Solution

The fourth proportional to 283,734.24, 391,580.88 and 211,989.72 is: 292,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,734.24 : 391,580.88 = 211,989.72 : x
  2. Step 2: Convert to fraction form
    283,734.24/391,580.88 = 211,989.72/x
  3. Step 3: Cross multiply
    283,734.24x = 391,580.88 × 211,989.72
  4. Step 4: Simplify right side
    283,734.24x = 83,011,121,108.55
  5. Step 5: Solve for x
    x = 83,011,121,108.55/283,734.24
  6. Step 6: Final answer
    x = 292,566.46

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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.