Home / 445,425.14-668,175.90-145,904.48

Finding the Fourth Proportional to 445,425.14, 668,175.90 and 145,904.48

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Solution

The fourth proportional to 445,425.14, 668,175.90 and 145,904.48 is: 218,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,425.14 : 668,175.90 = 145,904.48 : x
  2. Step 2: Convert to fraction form
    445,425.14/668,175.90 = 145,904.48/x
  3. Step 3: Cross multiply
    445,425.14x = 668,175.90 × 145,904.48
  4. Step 4: Simplify right side
    445,425.14x = 97,489,857,238.03
  5. Step 5: Solve for x
    x = 97,489,857,238.03/445,425.14
  6. Step 6: Final answer
    x = 218,869.23

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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.