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Finding the Fourth Proportional to 285,158.04, 393,512.22 and 157,826.04

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Solution

The fourth proportional to 285,158.04, 393,512.22 and 157,826.04 is: 217,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,158.04 : 393,512.22 = 157,826.04 : x
  2. Step 2: Convert to fraction form
    285,158.04/393,512.22 = 157,826.04/x
  3. Step 3: Cross multiply
    285,158.04x = 393,512.22 × 157,826.04
  4. Step 4: Simplify right side
    285,158.04x = 62,106,475,374.21
  5. Step 5: Solve for x
    x = 62,106,475,374.21/285,158.04
  6. Step 6: Final answer
    x = 217,796.68

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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.