Home / 464,968.85-641,656.69-261,020.17

Finding the Fourth Proportional to 464,968.85, 641,656.69 and 261,020.17

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Solution

The fourth proportional to 464,968.85, 641,656.69 and 261,020.17 is: 360,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,968.85 : 641,656.69 = 261,020.17 : x
  2. Step 2: Convert to fraction form
    464,968.85/641,656.69 = 261,020.17/x
  3. Step 3: Cross multiply
    464,968.85x = 641,656.69 × 261,020.17
  4. Step 4: Simplify right side
    464,968.85x = 167,485,338,305.44
  5. Step 5: Solve for x
    x = 167,485,338,305.44/464,968.85
  6. Step 6: Final answer
    x = 360,207.65

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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.