Home / 382,152.94-527,910.65-306,176.56

Finding the Fourth Proportional to 382,152.94, 527,910.65 and 306,176.56

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Solution

The fourth proportional to 382,152.94, 527,910.65 and 306,176.56 is: 422,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,152.94 : 527,910.65 = 306,176.56 : x
  2. Step 2: Convert to fraction form
    382,152.94/527,910.65 = 306,176.56/x
  3. Step 3: Cross multiply
    382,152.94x = 527,910.65 × 306,176.56
  4. Step 4: Simplify right side
    382,152.94x = 161,633,865,484.59
  5. Step 5: Solve for x
    x = 161,633,865,484.59/382,152.94
  6. Step 6: Final answer
    x = 422,955.97

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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.