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Finding the Fourth Proportional to 354,465.89, 531,696.09 and 88,224.62

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Solution

The fourth proportional to 354,465.89, 531,696.09 and 88,224.62 is: 132,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,465.89 : 531,696.09 = 88,224.62 : x
  2. Step 2: Convert to fraction form
    354,465.89/531,696.09 = 88,224.62/x
  3. Step 3: Cross multiply
    354,465.89x = 531,696.09 × 88,224.62
  4. Step 4: Simplify right side
    354,465.89x = 46,908,682,837.26
  5. Step 5: Solve for x
    x = 46,908,682,837.26/354,465.89
  6. Step 6: Final answer
    x = 132,336.24

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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.