Home / 352,054.20-528,081.30-219,343.80

Finding the Fourth Proportional to 352,054.20, 528,081.30 and 219,343.80

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Solution

The fourth proportional to 352,054.20, 528,081.30 and 219,343.80 is: 329,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,054.20 : 528,081.30 = 219,343.80 : x
  2. Step 2: Convert to fraction form
    352,054.20/528,081.30 = 219,343.80/x
  3. Step 3: Cross multiply
    352,054.20x = 528,081.30 × 219,343.80
  4. Step 4: Simplify right side
    352,054.20x = 115,831,359,050.94
  5. Step 5: Solve for x
    x = 115,831,359,050.94/352,054.20
  6. Step 6: Final answer
    x = 329,015.70

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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.