Home / 413,158.38-618,408.94-213,206.42

Finding the Fourth Proportional to 413,158.38, 618,408.94 and 213,206.42

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Solution

The fourth proportional to 413,158.38, 618,408.94 and 213,206.42 is: 319,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,158.38 : 618,408.94 = 213,206.42 : x
  2. Step 2: Convert to fraction form
    413,158.38/618,408.94 = 213,206.42/x
  3. Step 3: Cross multiply
    413,158.38x = 618,408.94 × 213,206.42
  4. Step 4: Simplify right side
    413,158.38x = 131,848,756,193.40
  5. Step 5: Solve for x
    x = 131,848,756,193.40/413,158.38
  6. Step 6: Final answer
    x = 319,124.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.