Home / 306,780.63-459,457.43-296,137.46

Finding the Fourth Proportional to 306,780.63, 459,457.43 and 296,137.46

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Solution

The fourth proportional to 306,780.63, 459,457.43 and 296,137.46 is: 443,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,780.63 : 459,457.43 = 296,137.46 : x
  2. Step 2: Convert to fraction form
    306,780.63/459,457.43 = 296,137.46/x
  3. Step 3: Cross multiply
    306,780.63x = 459,457.43 × 296,137.46
  4. Step 4: Simplify right side
    306,780.63x = 136,062,555,026.15
  5. Step 5: Solve for x
    x = 136,062,555,026.15/306,780.63
  6. Step 6: Final answer
    x = 443,517.43

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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.