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Finding the Fourth Proportional to 297,295.89, 446,011.92 and 128,844.47

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Solution

The fourth proportional to 297,295.89, 446,011.92 and 128,844.47 is: 193,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,295.89 : 446,011.92 = 128,844.47 : x
  2. Step 2: Convert to fraction form
    297,295.89/446,011.92 = 128,844.47/x
  3. Step 3: Cross multiply
    297,295.89x = 446,011.92 × 128,844.47
  4. Step 4: Simplify right side
    297,295.89x = 57,466,167,216.02
  5. Step 5: Solve for x
    x = 57,466,167,216.02/297,295.89
  6. Step 6: Final answer
    x = 193,296.20

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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.