Home / 397,868.84-596,809.58-221,496.86

Finding the Fourth Proportional to 397,868.84, 596,809.58 and 221,496.86

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Solution

The fourth proportional to 397,868.84, 596,809.58 and 221,496.86 is: 332,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,868.84 : 596,809.58 = 221,496.86 : x
  2. Step 2: Convert to fraction form
    397,868.84/596,809.58 = 221,496.86/x
  3. Step 3: Cross multiply
    397,868.84x = 596,809.58 × 221,496.86
  4. Step 4: Simplify right side
    397,868.84x = 132,191,446,880.43
  5. Step 5: Solve for x
    x = 132,191,446,880.43/397,868.84
  6. Step 6: Final answer
    x = 332,248.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.