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Finding the Fourth Proportional to 189,383.37, 283,875.33 and 62,989.85

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Solution

The fourth proportional to 189,383.37, 283,875.33 and 62,989.85 is: 94,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,383.37 : 283,875.33 = 62,989.85 : x
  2. Step 2: Convert to fraction form
    189,383.37/283,875.33 = 62,989.85/x
  3. Step 3: Cross multiply
    189,383.37x = 283,875.33 × 62,989.85
  4. Step 4: Simplify right side
    189,383.37x = 17,881,265,401.30
  5. Step 5: Solve for x
    x = 17,881,265,401.30/189,383.37
  6. Step 6: Final answer
    x = 94,418.35

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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.