Home / 288,396.02-397,984.24-167,608.02

Finding the Fourth Proportional to 288,396.02, 397,984.24 and 167,608.02

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Solution

The fourth proportional to 288,396.02, 397,984.24 and 167,608.02 is: 231,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,396.02 : 397,984.24 = 167,608.02 : x
  2. Step 2: Convert to fraction form
    288,396.02/397,984.24 = 167,608.02/x
  3. Step 3: Cross multiply
    288,396.02x = 397,984.24 × 167,608.02
  4. Step 4: Simplify right side
    288,396.02x = 66,705,350,457.60
  5. Step 5: Solve for x
    x = 66,705,350,457.60/288,396.02
  6. Step 6: Final answer
    x = 231,297.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.