Home / 640,867.66-961,356.04-167,552.26

Finding the Fourth Proportional to 640,867.66, 961,356.04 and 167,552.26

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Solution

The fourth proportional to 640,867.66, 961,356.04 and 167,552.26 is: 251,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,867.66 : 961,356.04 = 167,552.26 : x
  2. Step 2: Convert to fraction form
    640,867.66/961,356.04 = 167,552.26/x
  3. Step 3: Cross multiply
    640,867.66x = 961,356.04 × 167,552.26
  4. Step 4: Simplify right side
    640,867.66x = 161,077,377,166.65
  5. Step 5: Solve for x
    x = 161,077,377,166.65/640,867.66
  6. Step 6: Final answer
    x = 251,342.65

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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.