Home / 345,117.57-476,496.03-216,107.80

Finding the Fourth Proportional to 345,117.57, 476,496.03 and 216,107.80

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Solution

The fourth proportional to 345,117.57, 476,496.03 and 216,107.80 is: 298,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,117.57 : 476,496.03 = 216,107.80 : x
  2. Step 2: Convert to fraction form
    345,117.57/476,496.03 = 216,107.80/x
  3. Step 3: Cross multiply
    345,117.57x = 476,496.03 × 216,107.80
  4. Step 4: Simplify right side
    345,117.57x = 102,974,508,752.03
  5. Step 5: Solve for x
    x = 102,974,508,752.03/345,117.57
  6. Step 6: Final answer
    x = 298,375.16

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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.