Home / 288,028.10-397,415.18-167,099.36

Finding the Fourth Proportional to 288,028.10, 397,415.18 and 167,099.36

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Solution

The fourth proportional to 288,028.10, 397,415.18 and 167,099.36 is: 230,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,028.10 : 397,415.18 = 167,099.36 : x
  2. Step 2: Convert to fraction form
    288,028.10/397,415.18 = 167,099.36/x
  3. Step 3: Cross multiply
    288,028.10x = 397,415.18 × 167,099.36
  4. Step 4: Simplify right side
    288,028.10x = 66,407,822,232.28
  5. Step 5: Solve for x
    x = 66,407,822,232.28/288,028.10
  6. Step 6: Final answer
    x = 230,560.22

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1.5x scale

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.