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Finding the Fourth Proportional to 292,215.09, 403,252.90 and 163,155.57

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Solution

The fourth proportional to 292,215.09, 403,252.90 and 163,155.57 is: 225,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,215.09 : 403,252.90 = 163,155.57 : x
  2. Step 2: Convert to fraction form
    292,215.09/403,252.90 = 163,155.57/x
  3. Step 3: Cross multiply
    292,215.09x = 403,252.90 × 163,155.57
  4. Step 4: Simplify right side
    292,215.09x = 65,792,954,833.57
  5. Step 5: Solve for x
    x = 65,792,954,833.57/292,215.09
  6. Step 6: Final answer
    x = 225,152.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.