Home / 297,327.48-445,973.94-217,446.36

Finding the Fourth Proportional to 297,327.48, 445,973.94 and 217,446.36

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Solution

The fourth proportional to 297,327.48, 445,973.94 and 217,446.36 is: 326,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,327.48 : 445,973.94 = 217,446.36 : x
  2. Step 2: Convert to fraction form
    297,327.48/445,973.94 = 217,446.36/x
  3. Step 3: Cross multiply
    297,327.48x = 445,973.94 × 217,446.36
  4. Step 4: Simplify right side
    297,327.48x = 96,975,409,907.86
  5. Step 5: Solve for x
    x = 96,975,409,907.86/297,327.48
  6. Step 6: Final answer
    x = 326,156.90

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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.