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Finding the Fourth Proportional to 366,788.35, 550,223.63 and 329,116.87

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Solution

The fourth proportional to 366,788.35, 550,223.63 and 329,116.87 is: 493,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,788.35 : 550,223.63 = 329,116.87 : x
  2. Step 2: Convert to fraction form
    366,788.35/550,223.63 = 329,116.87/x
  3. Step 3: Cross multiply
    366,788.35x = 550,223.63 × 329,116.87
  4. Step 4: Simplify right side
    366,788.35x = 181,087,878,905.64
  5. Step 5: Solve for x
    x = 181,087,878,905.64/366,788.35
  6. Step 6: Final answer
    x = 493,712.19

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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.