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Finding the Fourth Proportional to 545,108.04, 817,992.92 and 203,799.96

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Solution

The fourth proportional to 545,108.04, 817,992.92 and 203,799.96 is: 305,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,108.04 : 817,992.92 = 203,799.96 : x
  2. Step 2: Convert to fraction form
    545,108.04/817,992.92 = 203,799.96/x
  3. Step 3: Cross multiply
    545,108.04x = 817,992.92 × 203,799.96
  4. Step 4: Simplify right side
    545,108.04x = 166,706,924,376.28
  5. Step 5: Solve for x
    x = 166,706,924,376.28/545,108.04
  6. Step 6: Final answer
    x = 305,823.64

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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.