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Finding the Fourth Proportional to 243,243.87, 365,090.04 and 123,384.93

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Solution

The fourth proportional to 243,243.87, 365,090.04 and 123,384.93 is: 185,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,243.87 : 365,090.04 = 123,384.93 : x
  2. Step 2: Convert to fraction form
    243,243.87/365,090.04 = 123,384.93/x
  3. Step 3: Cross multiply
    243,243.87x = 365,090.04 × 123,384.93
  4. Step 4: Simplify right side
    243,243.87x = 45,046,609,029.10
  5. Step 5: Solve for x
    x = 45,046,609,029.10/243,243.87
  6. Step 6: Final answer
    x = 185,191.14

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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.