Home / 352,422.02-486,335.14-199,457.47

Finding the Fourth Proportional to 352,422.02, 486,335.14 and 199,457.47

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Solution

The fourth proportional to 352,422.02, 486,335.14 and 199,457.47 is: 275,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,422.02 : 486,335.14 = 199,457.47 : x
  2. Step 2: Convert to fraction form
    352,422.02/486,335.14 = 199,457.47/x
  3. Step 3: Cross multiply
    352,422.02x = 486,335.14 × 199,457.47
  4. Step 4: Simplify right side
    352,422.02x = 97,003,176,705.77
  5. Step 5: Solve for x
    x = 97,003,176,705.77/352,422.02
  6. Step 6: Final answer
    x = 275,247.21

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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.