Home / 343,924.20-515,886.30-91,204.20

Finding the Fourth Proportional to 343,924.20, 515,886.30 and 91,204.20

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Solution

The fourth proportional to 343,924.20, 515,886.30 and 91,204.20 is: 136,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,924.20 : 515,886.30 = 91,204.20 : x
  2. Step 2: Convert to fraction form
    343,924.20/515,886.30 = 91,204.20/x
  3. Step 3: Cross multiply
    343,924.20x = 515,886.30 × 91,204.20
  4. Step 4: Simplify right side
    343,924.20x = 47,050,997,282.46
  5. Step 5: Solve for x
    x = 47,050,997,282.46/343,924.20
  6. Step 6: Final answer
    x = 136,806.30

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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.