Home / 352,066.49-485,816.03-216,106.16

Finding the Fourth Proportional to 352,066.49, 485,816.03 and 216,106.16

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Solution

The fourth proportional to 352,066.49, 485,816.03 and 216,106.16 is: 298,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,066.49 : 485,816.03 = 216,106.16 : x
  2. Step 2: Convert to fraction form
    352,066.49/485,816.03 = 216,106.16/x
  3. Step 3: Cross multiply
    352,066.49x = 485,816.03 × 216,106.16
  4. Step 4: Simplify right side
    352,066.49x = 104,987,833,200.13
  5. Step 5: Solve for x
    x = 104,987,833,200.13/352,066.49
  6. Step 6: Final answer
    x = 298,204.57

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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.