Home / 288,144.22-397,676.64-160,846.24

Finding the Fourth Proportional to 288,144.22, 397,676.64 and 160,846.24

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Solution

The fourth proportional to 288,144.22, 397,676.64 and 160,846.24 is: 221,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,144.22 : 397,676.64 = 160,846.24 : x
  2. Step 2: Convert to fraction form
    288,144.22/397,676.64 = 160,846.24/x
  3. Step 3: Cross multiply
    288,144.22x = 397,676.64 × 160,846.24
  4. Step 4: Simplify right side
    288,144.22x = 63,964,792,279.83
  5. Step 5: Solve for x
    x = 63,964,792,279.83/288,144.22
  6. Step 6: Final answer
    x = 221,988.81

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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.