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Finding the Fourth Proportional to 552,652.56, 828,978.78 and 153,293.35

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Solution

The fourth proportional to 552,652.56, 828,978.78 and 153,293.35 is: 229,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,652.56 : 828,978.78 = 153,293.35 : x
  2. Step 2: Convert to fraction form
    552,652.56/828,978.78 = 153,293.35/x
  3. Step 3: Cross multiply
    552,652.56x = 828,978.78 × 153,293.35
  4. Step 4: Simplify right side
    552,652.56x = 127,076,932,767.52
  5. Step 5: Solve for x
    x = 127,076,932,767.52/552,652.56
  6. Step 6: Final answer
    x = 229,940.01

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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.