Home / 469,334.34-647,498.16-306,182.66

Finding the Fourth Proportional to 469,334.34, 647,498.16 and 306,182.66

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Solution

The fourth proportional to 469,334.34, 647,498.16 and 306,182.66 is: 422,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,334.34 : 647,498.16 = 306,182.66 : x
  2. Step 2: Convert to fraction form
    469,334.34/647,498.16 = 306,182.66/x
  3. Step 3: Cross multiply
    469,334.34x = 647,498.16 × 306,182.66
  4. Step 4: Simplify right side
    469,334.34x = 198,252,705,736.42
  5. Step 5: Solve for x
    x = 198,252,705,736.42/469,334.34
  6. Step 6: Final answer
    x = 422,412.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.