Home / 352,913.32-486,823.26-216,852.76

Finding the Fourth Proportional to 352,913.32, 486,823.26 and 216,852.76

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Solution

The fourth proportional to 352,913.32, 486,823.26 and 216,852.76 is: 299,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,913.32 : 486,823.26 = 216,852.76 : x
  2. Step 2: Convert to fraction form
    352,913.32/486,823.26 = 216,852.76/x
  3. Step 3: Cross multiply
    352,913.32x = 486,823.26 × 216,852.76
  4. Step 4: Simplify right side
    352,913.32x = 105,568,967,563.20
  5. Step 5: Solve for x
    x = 105,568,967,563.20/352,913.32
  6. Step 6: Final answer
    x = 299,135.68

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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.