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Finding the Fourth Proportional to 243,495.60, 365,272.56 and 103,236

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Solution

The fourth proportional to 243,495.60, 365,272.56 and 103,236 is: 154,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,495.60 : 365,272.56 = 103,236 : x
  2. Step 2: Convert to fraction form
    243,495.60/365,272.56 = 103,236/x
  3. Step 3: Cross multiply
    243,495.60x = 365,272.56 × 103,236
  4. Step 4: Simplify right side
    243,495.60x = 37,709,278,004.16
  5. Step 5: Solve for x
    x = 37,709,278,004.16/243,495.60
  6. Step 6: Final answer
    x = 154,866.36

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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.