Home / 352,729.44-529,091.28-142,364.16

Finding the Fourth Proportional to 352,729.44, 529,091.28 and 142,364.16

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Solution

The fourth proportional to 352,729.44, 529,091.28 and 142,364.16 is: 213,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,729.44 : 529,091.28 = 142,364.16 : x
  2. Step 2: Convert to fraction form
    352,729.44/529,091.28 = 142,364.16/x
  3. Step 3: Cross multiply
    352,729.44x = 529,091.28 × 142,364.16
  4. Step 4: Simplify right side
    352,729.44x = 75,323,635,640.52
  5. Step 5: Solve for x
    x = 75,323,635,640.52/352,729.44
  6. Step 6: Final answer
    x = 213,545.08

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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.