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Finding the Fourth Proportional to 459,694.80, 634,284 and 268,670.88

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Solution

The fourth proportional to 459,694.80, 634,284 and 268,670.88 is: 370,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,694.80 : 634,284 = 268,670.88 : x
  2. Step 2: Convert to fraction form
    459,694.80/634,284 = 268,670.88/x
  3. Step 3: Cross multiply
    459,694.80x = 634,284 × 268,670.88
  4. Step 4: Simplify right side
    459,694.80x = 170,413,640,449.92
  5. Step 5: Solve for x
    x = 170,413,640,449.92/459,694.80
  6. Step 6: Final answer
    x = 370,710.39

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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.