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Finding the Fourth Proportional to 323,296.65, 484,878.74 and 203,298.57

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Solution

The fourth proportional to 323,296.65, 484,878.74 and 203,298.57 is: 304,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,296.65 : 484,878.74 = 203,298.57 : x
  2. Step 2: Convert to fraction form
    323,296.65/484,878.74 = 203,298.57/x
  3. Step 3: Cross multiply
    323,296.65x = 484,878.74 × 203,298.57
  4. Step 4: Simplify right side
    323,296.65x = 98,575,153,448.91
  5. Step 5: Solve for x
    x = 98,575,153,448.91/323,296.65
  6. Step 6: Final answer
    x = 304,906.20

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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.