Home / 325,849.40-488,774.10-219,561.20

Finding the Fourth Proportional to 325,849.40, 488,774.10 and 219,561.20

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Solution

The fourth proportional to 325,849.40, 488,774.10 and 219,561.20 is: 329,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,849.40 : 488,774.10 = 219,561.20 : x
  2. Step 2: Convert to fraction form
    325,849.40/488,774.10 = 219,561.20/x
  3. Step 3: Cross multiply
    325,849.40x = 488,774.10 × 219,561.20
  4. Step 4: Simplify right side
    325,849.40x = 107,315,827,924.92
  5. Step 5: Solve for x
    x = 107,315,827,924.92/325,849.40
  6. Step 6: Final answer
    x = 329,341.80

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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.