Home / 304,950.20-420,833.76-168,986.42

Finding the Fourth Proportional to 304,950.20, 420,833.76 and 168,986.42

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Solution

The fourth proportional to 304,950.20, 420,833.76 and 168,986.42 is: 233,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,950.20 : 420,833.76 = 168,986.42 : x
  2. Step 2: Convert to fraction form
    304,950.20/420,833.76 = 168,986.42/x
  3. Step 3: Cross multiply
    304,950.20x = 420,833.76 × 168,986.42
  4. Step 4: Simplify right side
    304,950.20x = 71,115,191,636.45
  5. Step 5: Solve for x
    x = 71,115,191,636.45/304,950.20
  6. Step 6: Final answer
    x = 233,202.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.