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Finding the Fourth Proportional to 525,872.35, 788,996.24 and 170,887.62

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Solution

The fourth proportional to 525,872.35, 788,996.24 and 170,887.62 is: 256,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,872.35 : 788,996.24 = 170,887.62 : x
  2. Step 2: Convert to fraction form
    525,872.35/788,996.24 = 170,887.62/x
  3. Step 3: Cross multiply
    525,872.35x = 788,996.24 × 170,887.62
  4. Step 4: Simplify right side
    525,872.35x = 134,829,693,348.92
  5. Step 5: Solve for x
    x = 134,829,693,348.92/525,872.35
  6. Step 6: Final answer
    x = 256,392.44

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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.