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Finding the Fourth Proportional to 243,327.47, 365,057.01 and 219,904.70

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Solution

The fourth proportional to 243,327.47, 365,057.01 and 219,904.70 is: 329,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,327.47 : 365,057.01 = 219,904.70 : x
  2. Step 2: Convert to fraction form
    243,327.47/365,057.01 = 219,904.70/x
  3. Step 3: Cross multiply
    243,327.47x = 365,057.01 × 219,904.70
  4. Step 4: Simplify right side
    243,327.47x = 80,277,750,441.66
  5. Step 5: Solve for x
    x = 80,277,750,441.66/243,327.47
  6. Step 6: Final answer
    x = 329,916.52

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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.