Home / 215,433.88-323,298.47-75,192.51

Finding the Fourth Proportional to 215,433.88, 323,298.47 and 75,192.51

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Solution

The fourth proportional to 215,433.88, 323,298.47 and 75,192.51 is: 112,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,433.88 : 323,298.47 = 75,192.51 : x
  2. Step 2: Convert to fraction form
    215,433.88/323,298.47 = 75,192.51/x
  3. Step 3: Cross multiply
    215,433.88x = 323,298.47 × 75,192.51
  4. Step 4: Simplify right side
    215,433.88x = 24,309,623,438.46
  5. Step 5: Solve for x
    x = 24,309,623,438.46/215,433.88
  6. Step 6: Final answer
    x = 112,840.30

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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.