Home / 215,548.20-323,322.30-161,893.80

Finding the Fourth Proportional to 215,548.20, 323,322.30 and 161,893.80

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Solution

The fourth proportional to 215,548.20, 323,322.30 and 161,893.80 is: 242,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,548.20 : 323,322.30 = 161,893.80 : x
  2. Step 2: Convert to fraction form
    215,548.20/323,322.30 = 161,893.80/x
  3. Step 3: Cross multiply
    215,548.20x = 323,322.30 × 161,893.80
  4. Step 4: Simplify right side
    215,548.20x = 52,343,875,771.74
  5. Step 5: Solve for x
    x = 52,343,875,771.74/215,548.20
  6. Step 6: Final answer
    x = 242,840.70

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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.