Home / 420,241.03-579,933.98-229,258.42

Finding the Fourth Proportional to 420,241.03, 579,933.98 and 229,258.42

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Solution

The fourth proportional to 420,241.03, 579,933.98 and 229,258.42 is: 316,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,241.03 : 579,933.98 = 229,258.42 : x
  2. Step 2: Convert to fraction form
    420,241.03/579,933.98 = 229,258.42/x
  3. Step 3: Cross multiply
    420,241.03x = 579,933.98 × 229,258.42
  4. Step 4: Simplify right side
    420,241.03x = 132,954,746,222.70
  5. Step 5: Solve for x
    x = 132,954,746,222.70/420,241.03
  6. Step 6: Final answer
    x = 316,377.36

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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.