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Finding the Fourth Proportional to 341,824.65, 471,727.52 and 188,872.69

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Solution

The fourth proportional to 341,824.65, 471,727.52 and 188,872.69 is: 260,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,824.65 : 471,727.52 = 188,872.69 : x
  2. Step 2: Convert to fraction form
    341,824.65/471,727.52 = 188,872.69/x
  3. Step 3: Cross multiply
    341,824.65x = 471,727.52 × 188,872.69
  4. Step 4: Simplify right side
    341,824.65x = 89,096,445,649.43
  5. Step 5: Solve for x
    x = 89,096,445,649.43/341,824.65
  6. Step 6: Final answer
    x = 260,649.57

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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.