Home / 352,840.40-528,646.20-228,117.20

Finding the Fourth Proportional to 352,840.40, 528,646.20 and 228,117.20

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Solution

The fourth proportional to 352,840.40, 528,646.20 and 228,117.20 is: 341,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,840.40 : 528,646.20 = 228,117.20 : x
  2. Step 2: Convert to fraction form
    352,840.40/528,646.20 = 228,117.20/x
  3. Step 3: Cross multiply
    352,840.40x = 528,646.20 × 228,117.20
  4. Step 4: Simplify right side
    352,840.40x = 120,593,290,934.64
  5. Step 5: Solve for x
    x = 120,593,290,934.64/352,840.40
  6. Step 6: Final answer
    x = 341,778.58

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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.