Home / 538,961.40-808,539.30-223,450.20

Finding the Fourth Proportional to 538,961.40, 808,539.30 and 223,450.20

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Solution

The fourth proportional to 538,961.40, 808,539.30 and 223,450.20 is: 335,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,961.40 : 808,539.30 = 223,450.20 : x
  2. Step 2: Convert to fraction form
    538,961.40/808,539.30 = 223,450.20/x
  3. Step 3: Cross multiply
    538,961.40x = 808,539.30 × 223,450.20
  4. Step 4: Simplify right side
    538,961.40x = 180,668,268,292.86
  5. Step 5: Solve for x
    x = 180,668,268,292.86/538,961.40
  6. Step 6: Final answer
    x = 335,215.60

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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.