Home / 331,869.35-497,804.33-142,206.64

Finding the Fourth Proportional to 331,869.35, 497,804.33 and 142,206.64

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Solution

The fourth proportional to 331,869.35, 497,804.33 and 142,206.64 is: 213,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,869.35 : 497,804.33 = 142,206.64 : x
  2. Step 2: Convert to fraction form
    331,869.35/497,804.33 = 142,206.64/x
  3. Step 3: Cross multiply
    331,869.35x = 497,804.33 × 142,206.64
  4. Step 4: Simplify right side
    331,869.35x = 70,791,080,257.76
  5. Step 5: Solve for x
    x = 70,791,080,257.76/331,869.35
  6. Step 6: Final answer
    x = 213,310.09

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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.