Home / 215,887.28-297,822.82-140,408.24

Finding the Fourth Proportional to 215,887.28, 297,822.82 and 140,408.24

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Solution

The fourth proportional to 215,887.28, 297,822.82 and 140,408.24 is: 193,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,887.28 : 297,822.82 = 140,408.24 : x
  2. Step 2: Convert to fraction form
    215,887.28/297,822.82 = 140,408.24/x
  3. Step 3: Cross multiply
    215,887.28x = 297,822.82 × 140,408.24
  4. Step 4: Simplify right side
    215,887.28x = 41,816,777,988.04
  5. Step 5: Solve for x
    x = 41,816,777,988.04/215,887.28
  6. Step 6: Final answer
    x = 193,697.28

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1.5x scale

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.