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Finding the Fourth Proportional to 176,615.60, 264,832.20 and 51,940.40

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Solution

The fourth proportional to 176,615.60, 264,832.20 and 51,940.40 is: 77,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,615.60 : 264,832.20 = 51,940.40 : x
  2. Step 2: Convert to fraction form
    176,615.60/264,832.20 = 51,940.40/x
  3. Step 3: Cross multiply
    176,615.60x = 264,832.20 × 51,940.40
  4. Step 4: Simplify right side
    176,615.60x = 13,755,490,400.88
  5. Step 5: Solve for x
    x = 13,755,490,400.88/176,615.60
  6. Step 6: Final answer
    x = 77,883.78

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1.5x scale

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.