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Finding the Fourth Proportional to 307,832.52, 462,032.62 and 156,136.06

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Solution

The fourth proportional to 307,832.52, 462,032.62 and 156,136.06 is: 234,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,832.52 : 462,032.62 = 156,136.06 : x
  2. Step 2: Convert to fraction form
    307,832.52/462,032.62 = 156,136.06/x
  3. Step 3: Cross multiply
    307,832.52x = 462,032.62 × 156,136.06
  4. Step 4: Simplify right side
    307,832.52x = 72,139,952,878.28
  5. Step 5: Solve for x
    x = 72,139,952,878.28/307,832.52
  6. Step 6: Final answer
    x = 234,348.06

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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.