Home / 352,584.02-486,642.66-216,689.24

Finding the Fourth Proportional to 352,584.02, 486,642.66 and 216,689.24

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Solution

The fourth proportional to 352,584.02, 486,642.66 and 216,689.24 is: 299,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,584.02 : 486,642.66 = 216,689.24 : x
  2. Step 2: Convert to fraction form
    352,584.02/486,642.66 = 216,689.24/x
  3. Step 3: Cross multiply
    352,584.02x = 486,642.66 × 216,689.24
  4. Step 4: Simplify right side
    352,584.02x = 105,450,228,146.98
  5. Step 5: Solve for x
    x = 105,450,228,146.98/352,584.02
  6. Step 6: Final answer
    x = 299,078.30

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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.