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Finding the Fourth Proportional to 297,732.06, 446,590.80 and 73,090.71

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Solution

The fourth proportional to 297,732.06, 446,590.80 and 73,090.71 is: 109,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,732.06 : 446,590.80 = 73,090.71 : x
  2. Step 2: Convert to fraction form
    297,732.06/446,590.80 = 73,090.71/x
  3. Step 3: Cross multiply
    297,732.06x = 446,590.80 × 73,090.71
  4. Step 4: Simplify right side
    297,732.06x = 32,641,638,651.47
  5. Step 5: Solve for x
    x = 32,641,638,651.47/297,732.06
  6. Step 6: Final answer
    x = 109,634.28

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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.