Home / 761,102.74-1,141,563.39-200,180.98

Finding the Fourth Proportional to 761,102.74, 1,141,563.39 and 200,180.98

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Solution

The fourth proportional to 761,102.74, 1,141,563.39 and 200,180.98 is: 300,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,102.74 : 1,141,563.39 = 200,180.98 : x
  2. Step 2: Convert to fraction form
    761,102.74/1,141,563.39 = 200,180.98/x
  3. Step 3: Cross multiply
    761,102.74x = 1,141,563.39 × 200,180.98
  4. Step 4: Simplify right side
    761,102.74x = 228,519,278,142.32
  5. Step 5: Solve for x
    x = 228,519,278,142.32/761,102.74
  6. Step 6: Final answer
    x = 300,247.61

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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.