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Finding the Fourth Proportional to 479,357.33, 661,512.45 and 264,497.33

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Solution

The fourth proportional to 479,357.33, 661,512.45 and 264,497.33 is: 365,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,357.33 : 661,512.45 = 264,497.33 : x
  2. Step 2: Convert to fraction form
    479,357.33/661,512.45 = 264,497.33/x
  3. Step 3: Cross multiply
    479,357.33x = 661,512.45 × 264,497.33
  4. Step 4: Simplify right side
    479,357.33x = 174,968,279,432.41
  5. Step 5: Solve for x
    x = 174,968,279,432.41/479,357.33
  6. Step 6: Final answer
    x = 365,005.96

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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.