Home / 445,536.76-668,084-141,891.36

Finding the Fourth Proportional to 445,536.76, 668,084 and 141,891.36

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Solution

The fourth proportional to 445,536.76, 668,084 and 141,891.36 is: 212,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,536.76 : 668,084 = 141,891.36 : x
  2. Step 2: Convert to fraction form
    445,536.76/668,084 = 141,891.36/x
  3. Step 3: Cross multiply
    445,536.76x = 668,084 × 141,891.36
  4. Step 4: Simplify right side
    445,536.76x = 94,795,347,354.24
  5. Step 5: Solve for x
    x = 94,795,347,354.24/445,536.76
  6. Step 6: Final answer
    x = 212,766.61

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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.