Home / 296,864.20-445,296.30-262,649.80

Finding the Fourth Proportional to 296,864.20, 445,296.30 and 262,649.80

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Solution

The fourth proportional to 296,864.20, 445,296.30 and 262,649.80 is: 393,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,864.20 : 445,296.30 = 262,649.80 : x
  2. Step 2: Convert to fraction form
    296,864.20/445,296.30 = 262,649.80/x
  3. Step 3: Cross multiply
    296,864.20x = 445,296.30 × 262,649.80
  4. Step 4: Simplify right side
    296,864.20x = 116,956,984,135.74
  5. Step 5: Solve for x
    x = 116,956,984,135.74/296,864.20
  6. Step 6: Final answer
    x = 393,974.70

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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.