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Finding the Fourth Proportional to 484,312.01, 726,468.62 and 231,533.08

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Solution

The fourth proportional to 484,312.01, 726,468.62 and 231,533.08 is: 347,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,312.01 : 726,468.62 = 231,533.08 : x
  2. Step 2: Convert to fraction form
    484,312.01/726,468.62 = 231,533.08/x
  3. Step 3: Cross multiply
    484,312.01x = 726,468.62 × 231,533.08
  4. Step 4: Simplify right side
    484,312.01x = 168,201,514,138.11
  5. Step 5: Solve for x
    x = 168,201,514,138.11/484,312.01
  6. Step 6: Final answer
    x = 347,299.91

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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.