Home / 385,288.92-578,173.95-277,229.25

Finding the Fourth Proportional to 385,288.92, 578,173.95 and 277,229.25

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Solution

The fourth proportional to 385,288.92, 578,173.95 and 277,229.25 is: 416,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,288.92 : 578,173.95 = 277,229.25 : x
  2. Step 2: Convert to fraction form
    385,288.92/578,173.95 = 277,229.25/x
  3. Step 3: Cross multiply
    385,288.92x = 578,173.95 × 277,229.25
  4. Step 4: Simplify right side
    385,288.92x = 160,286,730,528.04
  5. Step 5: Solve for x
    x = 160,286,730,528.04/385,288.92
  6. Step 6: Final answer
    x = 416,016.97

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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.