Home / 290,417.29-400,784.82-163,095.61

Finding the Fourth Proportional to 290,417.29, 400,784.82 and 163,095.61

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Solution

The fourth proportional to 290,417.29, 400,784.82 and 163,095.61 is: 225,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,417.29 : 400,784.82 = 163,095.61 : x
  2. Step 2: Convert to fraction form
    290,417.29/400,784.82 = 163,095.61/x
  3. Step 3: Cross multiply
    290,417.29x = 400,784.82 × 163,095.61
  4. Step 4: Simplify right side
    290,417.29x = 65,366,244,696.64
  5. Step 5: Solve for x
    x = 65,366,244,696.64/290,417.29
  6. Step 6: Final answer
    x = 225,076.97

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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.