Home / 288,274.05-397,818.96-160,954.20

Finding the Fourth Proportional to 288,274.05, 397,818.96 and 160,954.20

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Solution

The fourth proportional to 288,274.05, 397,818.96 and 160,954.20 is: 222,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,274.05 : 397,818.96 = 160,954.20 : x
  2. Step 2: Convert to fraction form
    288,274.05/397,818.96 = 160,954.20/x
  3. Step 3: Cross multiply
    288,274.05x = 397,818.96 × 160,954.20
  4. Step 4: Simplify right side
    288,274.05x = 64,030,632,451.63
  5. Step 5: Solve for x
    x = 64,030,632,451.63/288,274.05
  6. Step 6: Final answer
    x = 222,117.23

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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.