Home / 304,764.28-420,556.23-168,790.12

Finding the Fourth Proportional to 304,764.28, 420,556.23 and 168,790.12

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Solution

The fourth proportional to 304,764.28, 420,556.23 and 168,790.12 is: 232,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,764.28 : 420,556.23 = 168,790.12 : x
  2. Step 2: Convert to fraction form
    304,764.28/420,556.23 = 168,790.12/x
  3. Step 3: Cross multiply
    304,764.28x = 420,556.23 × 168,790.12
  4. Step 4: Simplify right side
    304,764.28x = 70,985,734,410.93
  5. Step 5: Solve for x
    x = 70,985,734,410.93/304,764.28
  6. Step 6: Final answer
    x = 232,920.13

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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.