Home / 488,149.66-673,566.40-306,733.15

Finding the Fourth Proportional to 488,149.66, 673,566.40 and 306,733.15

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Solution

The fourth proportional to 488,149.66, 673,566.40 and 306,733.15 is: 423,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,149.66 : 673,566.40 = 306,733.15 : x
  2. Step 2: Convert to fraction form
    488,149.66/673,566.40 = 306,733.15/x
  3. Step 3: Cross multiply
    488,149.66x = 673,566.40 × 306,733.15
  4. Step 4: Simplify right side
    488,149.66x = 206,605,143,606.16
  5. Step 5: Solve for x
    x = 206,605,143,606.16/488,149.66
  6. Step 6: Final answer
    x = 423,241.40

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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.