Home / 288,122.21-397,615.04-159,060.39

Finding the Fourth Proportional to 288,122.21, 397,615.04 and 159,060.39

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Solution

The fourth proportional to 288,122.21, 397,615.04 and 159,060.39 is: 219,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,122.21 : 397,615.04 = 159,060.39 : x
  2. Step 2: Convert to fraction form
    288,122.21/397,615.04 = 159,060.39/x
  3. Step 3: Cross multiply
    288,122.21x = 397,615.04 × 159,060.39
  4. Step 4: Simplify right side
    288,122.21x = 63,244,802,536.96
  5. Step 5: Solve for x
    x = 63,244,802,536.96/288,122.21
  6. Step 6: Final answer
    x = 219,506.87

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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.