Home / 352,850.04-486,897.75-199,857.51

Finding the Fourth Proportional to 352,850.04, 486,897.75 and 199,857.51

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Solution

The fourth proportional to 352,850.04, 486,897.75 and 199,857.51 is: 275,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,850.04 : 486,897.75 = 199,857.51 : x
  2. Step 2: Convert to fraction form
    352,850.04/486,897.75 = 199,857.51/x
  3. Step 3: Cross multiply
    352,850.04x = 486,897.75 × 199,857.51
  4. Step 4: Simplify right side
    352,850.04x = 97,310,171,939.60
  5. Step 5: Solve for x
    x = 97,310,171,939.60/352,850.04
  6. Step 6: Final answer
    x = 275,783.37

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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.