Home / 455,242.11-628,234.22-251,293.15

Finding the Fourth Proportional to 455,242.11, 628,234.22 and 251,293.15

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Solution

The fourth proportional to 455,242.11, 628,234.22 and 251,293.15 is: 346,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,242.11 : 628,234.22 = 251,293.15 : x
  2. Step 2: Convert to fraction form
    455,242.11/628,234.22 = 251,293.15/x
  3. Step 3: Cross multiply
    455,242.11x = 628,234.22 × 251,293.15
  4. Step 4: Simplify right side
    455,242.11x = 157,870,956,081.59
  5. Step 5: Solve for x
    x = 157,870,956,081.59/455,242.11
  6. Step 6: Final answer
    x = 346,784.61

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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.