Home / 304,921.84-420,757.26-168,921.83

Finding the Fourth Proportional to 304,921.84, 420,757.26 and 168,921.83

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Solution

The fourth proportional to 304,921.84, 420,757.26 and 168,921.83 is: 233,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,921.84 : 420,757.26 = 168,921.83 : x
  2. Step 2: Convert to fraction form
    304,921.84/420,757.26 = 168,921.83/x
  3. Step 3: Cross multiply
    304,921.84x = 420,757.26 × 168,921.83
  4. Step 4: Simplify right side
    304,921.84x = 71,075,086,344.99
  5. Step 5: Solve for x
    x = 71,075,086,344.99/304,921.84
  6. Step 6: Final answer
    x = 233,092.80

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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.