Home / 304,855.54-420,675.94-168,895.22

Finding the Fourth Proportional to 304,855.54, 420,675.94 and 168,895.22

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Solution

The fourth proportional to 304,855.54, 420,675.94 and 168,895.22 is: 233,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,855.54 : 420,675.94 = 168,895.22 : x
  2. Step 2: Convert to fraction form
    304,855.54/420,675.94 = 168,895.22/x
  3. Step 3: Cross multiply
    304,855.54x = 420,675.94 × 168,895.22
  4. Step 4: Simplify right side
    304,855.54x = 71,050,153,542.75
  5. Step 5: Solve for x
    x = 71,050,153,542.75/304,855.54
  6. Step 6: Final answer
    x = 233,061.71

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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.