Home / 352,419.57-528,851.75-150,015.37

Finding the Fourth Proportional to 352,419.57, 528,851.75 and 150,015.37

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Solution

The fourth proportional to 352,419.57, 528,851.75 and 150,015.37 is: 225,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,419.57 : 528,851.75 = 150,015.37 : x
  2. Step 2: Convert to fraction form
    352,419.57/528,851.75 = 150,015.37/x
  3. Step 3: Cross multiply
    352,419.57x = 528,851.75 × 150,015.37
  4. Step 4: Simplify right side
    352,419.57x = 79,335,890,951.40
  5. Step 5: Solve for x
    x = 79,335,890,951.40/352,419.57
  6. Step 6: Final answer
    x = 225,117.72

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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.