Home / 301,282.16-451,999.17-212,708.66

Finding the Fourth Proportional to 301,282.16, 451,999.17 and 212,708.66

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Solution

The fourth proportional to 301,282.16, 451,999.17 and 212,708.66 is: 319,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,282.16 : 451,999.17 = 212,708.66 : x
  2. Step 2: Convert to fraction form
    301,282.16/451,999.17 = 212,708.66/x
  3. Step 3: Cross multiply
    301,282.16x = 451,999.17 × 212,708.66
  4. Step 4: Simplify right side
    301,282.16x = 96,144,135,511.82
  5. Step 5: Solve for x
    x = 96,144,135,511.82/301,282.16
  6. Step 6: Final answer
    x = 319,116.60

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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.