Home / 350,176.89-525,429.36-172,587.09

Finding the Fourth Proportional to 350,176.89, 525,429.36 and 172,587.09

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Solution

The fourth proportional to 350,176.89, 525,429.36 and 172,587.09 is: 258,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,176.89 : 525,429.36 = 172,587.09 : x
  2. Step 2: Convert to fraction form
    350,176.89/525,429.36 = 172,587.09/x
  3. Step 3: Cross multiply
    350,176.89x = 525,429.36 × 172,587.09
  4. Step 4: Simplify right side
    350,176.89x = 90,682,324,242.96
  5. Step 5: Solve for x
    x = 90,682,324,242.96/350,176.89
  6. Step 6: Final answer
    x = 258,961.48

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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.