Home / 320,218.74-441,955.62-216,806.04

Finding the Fourth Proportional to 320,218.74, 441,955.62 and 216,806.04

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Solution

The fourth proportional to 320,218.74, 441,955.62 and 216,806.04 is: 299,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,218.74 : 441,955.62 = 216,806.04 : x
  2. Step 2: Convert to fraction form
    320,218.74/441,955.62 = 216,806.04/x
  3. Step 3: Cross multiply
    320,218.74x = 441,955.62 × 216,806.04
  4. Step 4: Simplify right side
    320,218.74x = 95,818,647,827.94
  5. Step 5: Solve for x
    x = 95,818,647,827.94/320,218.74
  6. Step 6: Final answer
    x = 299,228.73

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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.