Home / 352,838.40-528,643.20-228,115.20

Finding the Fourth Proportional to 352,838.40, 528,643.20 and 228,115.20

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Solution

The fourth proportional to 352,838.40, 528,643.20 and 228,115.20 is: 341,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,838.40 : 528,643.20 = 228,115.20 : x
  2. Step 2: Convert to fraction form
    352,838.40/528,643.20 = 228,115.20/x
  3. Step 3: Cross multiply
    352,838.40x = 528,643.20 × 228,115.20
  4. Step 4: Simplify right side
    352,838.40x = 120,591,549,296.64
  5. Step 5: Solve for x
    x = 120,591,549,296.64/352,838.40
  6. Step 6: Final answer
    x = 341,775.58

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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.