Home / 352,431.46-528,737.37-115,776.19

Finding the Fourth Proportional to 352,431.46, 528,737.37 and 115,776.19

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Solution

The fourth proportional to 352,431.46, 528,737.37 and 115,776.19 is: 173,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,431.46 : 528,737.37 = 115,776.19 : x
  2. Step 2: Convert to fraction form
    352,431.46/528,737.37 = 115,776.19/x
  3. Step 3: Cross multiply
    352,431.46x = 528,737.37 × 115,776.19
  4. Step 4: Simplify right side
    352,431.46x = 61,215,198,209.22
  5. Step 5: Solve for x
    x = 61,215,198,209.22/352,431.46
  6. Step 6: Final answer
    x = 173,693.91

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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.