Home / 294,489.18-441,864.99-154,215

Finding the Fourth Proportional to 294,489.18, 441,864.99 and 154,215

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Solution

The fourth proportional to 294,489.18, 441,864.99 and 154,215 is: 231,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,489.18 : 441,864.99 = 154,215 : x
  2. Step 2: Convert to fraction form
    294,489.18/441,864.99 = 154,215/x
  3. Step 3: Cross multiply
    294,489.18x = 441,864.99 × 154,215
  4. Step 4: Simplify right side
    294,489.18x = 68,142,209,432.85
  5. Step 5: Solve for x
    x = 68,142,209,432.85/294,489.18
  6. Step 6: Final answer
    x = 231,391.22

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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.