Home / 345,893.43-518,854.04-109,236.18

Finding the Fourth Proportional to 345,893.43, 518,854.04 and 109,236.18

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Solution

The fourth proportional to 345,893.43, 518,854.04 and 109,236.18 is: 163,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,893.43 : 518,854.04 = 109,236.18 : x
  2. Step 2: Convert to fraction form
    345,893.43/518,854.04 = 109,236.18/x
  3. Step 3: Cross multiply
    345,893.43x = 518,854.04 × 109,236.18
  4. Step 4: Simplify right side
    345,893.43x = 56,677,633,307.17
  5. Step 5: Solve for x
    x = 56,677,633,307.17/345,893.43
  6. Step 6: Final answer
    x = 163,858.66

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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.