Home / 389,915.64-584,789.40-227,701.44

Finding the Fourth Proportional to 389,915.64, 584,789.40 and 227,701.44

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Solution

The fourth proportional to 389,915.64, 584,789.40 and 227,701.44 is: 341,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,915.64 : 584,789.40 = 227,701.44 : x
  2. Step 2: Convert to fraction form
    389,915.64/584,789.40 = 227,701.44/x
  3. Step 3: Cross multiply
    389,915.64x = 584,789.40 × 227,701.44
  4. Step 4: Simplify right side
    389,915.64x = 133,157,388,476.74
  5. Step 5: Solve for x
    x = 133,157,388,476.74/389,915.64
  6. Step 6: Final answer
    x = 341,503.07

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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.