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Finding the Fourth Proportional to 634,670.39, 952,007.81 and 161,355.80

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Solution

The fourth proportional to 634,670.39, 952,007.81 and 161,355.80 is: 242,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,670.39 : 952,007.81 = 161,355.80 : x
  2. Step 2: Convert to fraction form
    634,670.39/952,007.81 = 161,355.80/x
  3. Step 3: Cross multiply
    634,670.39x = 952,007.81 × 161,355.80
  4. Step 4: Simplify right side
    634,670.39x = 153,611,981,788.80
  5. Step 5: Solve for x
    x = 153,611,981,788.80/634,670.39
  6. Step 6: Final answer
    x = 242,034.27

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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.