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Finding the Fourth Proportional to 223,247.94, 334,874.68 and 65,479.66

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Solution

The fourth proportional to 223,247.94, 334,874.68 and 65,479.66 is: 98,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,247.94 : 334,874.68 = 65,479.66 : x
  2. Step 2: Convert to fraction form
    223,247.94/334,874.68 = 65,479.66/x
  3. Step 3: Cross multiply
    223,247.94x = 334,874.68 × 65,479.66
  4. Step 4: Simplify right side
    223,247.94x = 21,927,480,189.01
  5. Step 5: Solve for x
    x = 21,927,480,189.01/223,247.94
  6. Step 6: Final answer
    x = 98,220.30

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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.