Home / 253,684.13-380,195.69-141,359.81

Finding the Fourth Proportional to 253,684.13, 380,195.69 and 141,359.81

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Solution

The fourth proportional to 253,684.13, 380,195.69 and 141,359.81 is: 211,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,684.13 : 380,195.69 = 141,359.81 : x
  2. Step 2: Convert to fraction form
    253,684.13/380,195.69 = 141,359.81/x
  3. Step 3: Cross multiply
    253,684.13x = 380,195.69 × 141,359.81
  4. Step 4: Simplify right side
    253,684.13x = 53,744,388,953.64
  5. Step 5: Solve for x
    x = 53,744,388,953.64/253,684.13
  6. Step 6: Final answer
    x = 211,855.55

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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.