Home / 367,977.13-551,965.69-115,259.76

Finding the Fourth Proportional to 367,977.13, 551,965.69 and 115,259.76

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Solution

The fourth proportional to 367,977.13, 551,965.69 and 115,259.76 is: 172,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,977.13 : 551,965.69 = 115,259.76 : x
  2. Step 2: Convert to fraction form
    367,977.13/551,965.69 = 115,259.76/x
  3. Step 3: Cross multiply
    367,977.13x = 551,965.69 × 115,259.76
  4. Step 4: Simplify right side
    367,977.13x = 63,619,433,101.71
  5. Step 5: Solve for x
    x = 63,619,433,101.71/367,977.13
  6. Step 6: Final answer
    x = 172,889.64

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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.