Home / 415,729.40-623,827.98-226,203.44

Finding the Fourth Proportional to 415,729.40, 623,827.98 and 226,203.44

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Solution

The fourth proportional to 415,729.40, 623,827.98 and 226,203.44 is: 339,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,729.40 : 623,827.98 = 226,203.44 : x
  2. Step 2: Convert to fraction form
    415,729.40/623,827.98 = 226,203.44/x
  3. Step 3: Cross multiply
    415,729.40x = 623,827.98 × 226,203.44
  4. Step 4: Simplify right side
    415,729.40x = 141,112,031,925.11
  5. Step 5: Solve for x
    x = 141,112,031,925.11/415,729.40
  6. Step 6: Final answer
    x = 339,432.41

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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.