Home / 288,204.15-397,705.23-160,887.81

Finding the Fourth Proportional to 288,204.15, 397,705.23 and 160,887.81

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Solution

The fourth proportional to 288,204.15, 397,705.23 and 160,887.81 is: 222,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,204.15 : 397,705.23 = 160,887.81 : x
  2. Step 2: Convert to fraction form
    288,204.15/397,705.23 = 160,887.81/x
  3. Step 3: Cross multiply
    288,204.15x = 397,705.23 × 160,887.81
  4. Step 4: Simplify right side
    288,204.15x = 63,985,923,480.25
  5. Step 5: Solve for x
    x = 63,985,923,480.25/288,204.15
  6. Step 6: Final answer
    x = 222,015.97

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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.