Home / 238,046.23-328,479.87-142,550.47

Finding the Fourth Proportional to 238,046.23, 328,479.87 and 142,550.47

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Solution

The fourth proportional to 238,046.23, 328,479.87 and 142,550.47 is: 196,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,046.23 : 328,479.87 = 142,550.47 : x
  2. Step 2: Convert to fraction form
    238,046.23/328,479.87 = 142,550.47/x
  3. Step 3: Cross multiply
    238,046.23x = 328,479.87 × 142,550.47
  4. Step 4: Simplify right side
    238,046.23x = 46,824,959,854.04
  5. Step 5: Solve for x
    x = 46,824,959,854.04/238,046.23
  6. Step 6: Final answer
    x = 196,705.32

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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.