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Finding the Fourth Proportional to 552,432.64, 828,649.44 and 236,684.80

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Solution

The fourth proportional to 552,432.64, 828,649.44 and 236,684.80 is: 355,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,432.64 : 828,649.44 = 236,684.80 : x
  2. Step 2: Convert to fraction form
    552,432.64/828,649.44 = 236,684.80/x
  3. Step 3: Cross multiply
    552,432.64x = 828,649.44 × 236,684.80
  4. Step 4: Simplify right side
    552,432.64x = 196,128,726,976.51
  5. Step 5: Solve for x
    x = 196,128,726,976.51/552,432.64
  6. Step 6: Final answer
    x = 355,027.41

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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.