Home / 505,228.95-757,757.28-168,231.36

Finding the Fourth Proportional to 505,228.95, 757,757.28 and 168,231.36

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Solution

The fourth proportional to 505,228.95, 757,757.28 and 168,231.36 is: 252,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,228.95 : 757,757.28 = 168,231.36 : x
  2. Step 2: Convert to fraction form
    505,228.95/757,757.28 = 168,231.36/x
  3. Step 3: Cross multiply
    505,228.95x = 757,757.28 × 168,231.36
  4. Step 4: Simplify right side
    505,228.95x = 127,478,537,764.30
  5. Step 5: Solve for x
    x = 127,478,537,764.30/505,228.95
  6. Step 6: Final answer
    x = 252,318.36

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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.