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Finding the Fourth Proportional to 203,246.40, 304,759.62 and 161,395.72

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Solution

The fourth proportional to 203,246.40, 304,759.62 and 161,395.72 is: 242,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,246.40 : 304,759.62 = 161,395.72 : x
  2. Step 2: Convert to fraction form
    203,246.40/304,759.62 = 161,395.72/x
  3. Step 3: Cross multiply
    203,246.40x = 304,759.62 × 161,395.72
  4. Step 4: Simplify right side
    203,246.40x = 49,186,898,296.83
  5. Step 5: Solve for x
    x = 49,186,898,296.83/203,246.40
  6. Step 6: Final answer
    x = 242,006.25

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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.