Home / 343,721.16-474,228.90-200,379.74

Finding the Fourth Proportional to 343,721.16, 474,228.90 and 200,379.74

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Solution

The fourth proportional to 343,721.16, 474,228.90 and 200,379.74 is: 276,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,721.16 : 474,228.90 = 200,379.74 : x
  2. Step 2: Convert to fraction form
    343,721.16/474,228.90 = 200,379.74/x
  3. Step 3: Cross multiply
    343,721.16x = 474,228.90 × 200,379.74
  4. Step 4: Simplify right side
    343,721.16x = 95,025,861,311.34
  5. Step 5: Solve for x
    x = 95,025,861,311.34/343,721.16
  6. Step 6: Final answer
    x = 276,462.06

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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.