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Finding the Fourth Proportional to 323,308.55, 446,601.45 and 293,127.95

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Solution

The fourth proportional to 323,308.55, 446,601.45 and 293,127.95 is: 404,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,308.55 : 446,601.45 = 293,127.95 : x
  2. Step 2: Convert to fraction form
    323,308.55/446,601.45 = 293,127.95/x
  3. Step 3: Cross multiply
    323,308.55x = 446,601.45 × 293,127.95
  4. Step 4: Simplify right side
    323,308.55x = 130,911,365,272.52
  5. Step 5: Solve for x
    x = 130,911,365,272.52/323,308.55
  6. Step 6: Final answer
    x = 404,911.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.