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Finding the Fourth Proportional to 355,537.93, 533,057.91 and 130,869.22

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Solution

The fourth proportional to 355,537.93, 533,057.91 and 130,869.22 is: 196,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,537.93 : 533,057.91 = 130,869.22 : x
  2. Step 2: Convert to fraction form
    355,537.93/533,057.91 = 130,869.22/x
  3. Step 3: Cross multiply
    355,537.93x = 533,057.91 × 130,869.22
  4. Step 4: Simplify right side
    355,537.93x = 69,760,872,896.53
  5. Step 5: Solve for x
    x = 69,760,872,896.53/355,537.93
  6. Step 6: Final answer
    x = 196,212.18

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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.