Home / 415,731.40-623,830.98-226,205.44

Finding the Fourth Proportional to 415,731.40, 623,830.98 and 226,205.44

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Solution

The fourth proportional to 415,731.40, 623,830.98 and 226,205.44 is: 339,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,731.40 : 623,830.98 = 226,205.44 : x
  2. Step 2: Convert to fraction form
    415,731.40/623,830.98 = 226,205.44/x
  3. Step 3: Cross multiply
    415,731.40x = 623,830.98 × 226,205.44
  4. Step 4: Simplify right side
    415,731.40x = 141,113,958,197.38
  5. Step 5: Solve for x
    x = 141,113,958,197.38/415,731.40
  6. Step 6: Final answer
    x = 339,435.41

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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.