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Finding the Fourth Proportional to 332,564.64, 498,717.56 and 107,870.74

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Solution

The fourth proportional to 332,564.64, 498,717.56 and 107,870.74 is: 161,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,564.64 : 498,717.56 = 107,870.74 : x
  2. Step 2: Convert to fraction form
    332,564.64/498,717.56 = 107,870.74/x
  3. Step 3: Cross multiply
    332,564.64x = 498,717.56 × 107,870.74
  4. Step 4: Simplify right side
    332,564.64x = 53,797,030,664.30
  5. Step 5: Solve for x
    x = 53,797,030,664.30/332,564.64
  6. Step 6: Final answer
    x = 161,764.13

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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.