Home / 204,442.20-306,663.30-191,320.20

Finding the Fourth Proportional to 204,442.20, 306,663.30 and 191,320.20

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Solution

The fourth proportional to 204,442.20, 306,663.30 and 191,320.20 is: 286,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,442.20 : 306,663.30 = 191,320.20 : x
  2. Step 2: Convert to fraction form
    204,442.20/306,663.30 = 191,320.20/x
  3. Step 3: Cross multiply
    204,442.20x = 306,663.30 × 191,320.20
  4. Step 4: Simplify right side
    204,442.20x = 58,670,883,888.66
  5. Step 5: Solve for x
    x = 58,670,883,888.66/204,442.20
  6. Step 6: Final answer
    x = 286,980.30

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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.