Home / 445,799.89-668,962.28-165,513.97

Finding the Fourth Proportional to 445,799.89, 668,962.28 and 165,513.97

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Solution

The fourth proportional to 445,799.89, 668,962.28 and 165,513.97 is: 248,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,799.89 : 668,962.28 = 165,513.97 : x
  2. Step 2: Convert to fraction form
    445,799.89/668,962.28 = 165,513.97/x
  3. Step 3: Cross multiply
    445,799.89x = 668,962.28 × 165,513.97
  4. Step 4: Simplify right side
    445,799.89x = 110,722,602,743.05
  5. Step 5: Solve for x
    x = 110,722,602,743.05/445,799.89
  6. Step 6: Final answer
    x = 248,368.39

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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.