Home / 296,739.64-445,401.06-217,628.56

Finding the Fourth Proportional to 296,739.64, 445,401.06 and 217,628.56

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Solution

The fourth proportional to 296,739.64, 445,401.06 and 217,628.56 is: 326,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,739.64 : 445,401.06 = 217,628.56 : x
  2. Step 2: Convert to fraction form
    296,739.64/445,401.06 = 217,628.56/x
  3. Step 3: Cross multiply
    296,739.64x = 445,401.06 × 217,628.56
  4. Step 4: Simplify right side
    296,739.64x = 96,931,991,310.27
  5. Step 5: Solve for x
    x = 96,931,991,310.27/296,739.64
  6. Step 6: Final answer
    x = 326,656.70

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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.