Home / 350,629.60-525,598.80-172,991.20

Finding the Fourth Proportional to 350,629.60, 525,598.80 and 172,991.20

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Solution

The fourth proportional to 350,629.60, 525,598.80 and 172,991.20 is: 259,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,629.60 : 525,598.80 = 172,991.20 : x
  2. Step 2: Convert to fraction form
    350,629.60/525,598.80 = 172,991.20/x
  3. Step 3: Cross multiply
    350,629.60x = 525,598.80 × 172,991.20
  4. Step 4: Simplify right side
    350,629.60x = 90,923,967,130.56
  5. Step 5: Solve for x
    x = 90,923,967,130.56/350,629.60
  6. Step 6: Final answer
    x = 259,316.29

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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.