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Finding the Fourth Proportional to 333,799.66, 500,778.29 and 109,159.21

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Solution

The fourth proportional to 333,799.66, 500,778.29 and 109,159.21 is: 163,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,799.66 : 500,778.29 = 109,159.21 : x
  2. Step 2: Convert to fraction form
    333,799.66/500,778.29 = 109,159.21/x
  3. Step 3: Cross multiply
    333,799.66x = 500,778.29 × 109,159.21
  4. Step 4: Simplify right side
    333,799.66x = 54,664,562,521.55
  5. Step 5: Solve for x
    x = 54,664,562,521.55/333,799.66
  6. Step 6: Final answer
    x = 163,764.58

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1.5x scale

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.