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Finding the Fourth Proportional to 552,652.34, 828,978.46 and 153,293.13

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Solution

The fourth proportional to 552,652.34, 828,978.46 and 153,293.13 is: 229,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,652.34 : 828,978.46 = 153,293.13 : x
  2. Step 2: Convert to fraction form
    552,652.34/828,978.46 = 153,293.13/x
  3. Step 3: Cross multiply
    552,652.34x = 828,978.46 × 153,293.13
  4. Step 4: Simplify right side
    552,652.34x = 127,076,702,835.98
  5. Step 5: Solve for x
    x = 127,076,702,835.98/552,652.34
  6. Step 6: Final answer
    x = 229,939.68

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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.