Home / 279,759.14-420,004.54-166,114.46

Finding the Fourth Proportional to 279,759.14, 420,004.54 and 166,114.46

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Solution

The fourth proportional to 279,759.14, 420,004.54 and 166,114.46 is: 249,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,759.14 : 420,004.54 = 166,114.46 : x
  2. Step 2: Convert to fraction form
    279,759.14/420,004.54 = 166,114.46/x
  3. Step 3: Cross multiply
    279,759.14x = 420,004.54 × 166,114.46
  4. Step 4: Simplify right side
    279,759.14x = 69,768,827,359.65
  5. Step 5: Solve for x
    x = 69,768,827,359.65/279,759.14
  6. Step 6: Final answer
    x = 249,388.91

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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.