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Finding the Fourth Proportional to 323,973.60, 485,814.60 and 124,227.60

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Solution

The fourth proportional to 323,973.60, 485,814.60 and 124,227.60 is: 186,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,973.60 : 485,814.60 = 124,227.60 : x
  2. Step 2: Convert to fraction form
    323,973.60/485,814.60 = 124,227.60/x
  3. Step 3: Cross multiply
    323,973.60x = 485,814.60 × 124,227.60
  4. Step 4: Simplify right side
    323,973.60x = 60,351,581,802.96
  5. Step 5: Solve for x
    x = 60,351,581,802.96/323,973.60
  6. Step 6: Final answer
    x = 186,285.49

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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.