Home / 396,347.26-594,521.30-185,985.40

Finding the Fourth Proportional to 396,347.26, 594,521.30 and 185,985.40

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Solution

The fourth proportional to 396,347.26, 594,521.30 and 185,985.40 is: 278,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,347.26 : 594,521.30 = 185,985.40 : x
  2. Step 2: Convert to fraction form
    396,347.26/594,521.30 = 185,985.40/x
  3. Step 3: Cross multiply
    396,347.26x = 594,521.30 × 185,985.40
  4. Step 4: Simplify right side
    396,347.26x = 110,572,281,789.02
  5. Step 5: Solve for x
    x = 110,572,281,789.02/396,347.26
  6. Step 6: Final answer
    x = 278,978.29

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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.