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Finding the Fourth Proportional to 243,389.00, 365,118.11 and 74,923.38

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Solution

The fourth proportional to 243,389.00, 365,118.11 and 74,923.38 is: 112,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,389.00 : 365,118.11 = 74,923.38 : x
  2. Step 2: Convert to fraction form
    243,389.00/365,118.11 = 74,923.38/x
  3. Step 3: Cross multiply
    243,389.00x = 365,118.11 × 74,923.38
  4. Step 4: Simplify right side
    243,389.00x = 27,355,882,525.79
  5. Step 5: Solve for x
    x = 27,355,882,525.79/243,389.00
  6. Step 6: Final answer
    x = 112,395.72

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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.