Home / 436,429.82-602,269.21-245,439.11

Finding the Fourth Proportional to 436,429.82, 602,269.21 and 245,439.11

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Solution

The fourth proportional to 436,429.82, 602,269.21 and 245,439.11 is: 338,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,429.82 : 602,269.21 = 245,439.11 : x
  2. Step 2: Convert to fraction form
    436,429.82/602,269.21 = 245,439.11/x
  3. Step 3: Cross multiply
    436,429.82x = 602,269.21 × 245,439.11
  4. Step 4: Simplify right side
    436,429.82x = 147,820,418,882.80
  5. Step 5: Solve for x
    x = 147,820,418,882.80/436,429.82
  6. Step 6: Final answer
    x = 338,703.76

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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.