Home / 516,255.20-774,381.20-137,214.08

Finding the Fourth Proportional to 516,255.20, 774,381.20 and 137,214.08

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Solution

The fourth proportional to 516,255.20, 774,381.20 and 137,214.08 is: 205,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,255.20 : 774,381.20 = 137,214.08 : x
  2. Step 2: Convert to fraction form
    516,255.20/774,381.20 = 137,214.08/x
  3. Step 3: Cross multiply
    516,255.20x = 774,381.20 × 137,214.08
  4. Step 4: Simplify right side
    516,255.20x = 106,256,003,927.30
  5. Step 5: Solve for x
    x = 106,256,003,927.30/516,255.20
  6. Step 6: Final answer
    x = 205,820.69

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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.