Home / 268,850.64-371,066.04-154,197.12

Finding the Fourth Proportional to 268,850.64, 371,066.04 and 154,197.12

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Solution

The fourth proportional to 268,850.64, 371,066.04 and 154,197.12 is: 212,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,850.64 : 371,066.04 = 154,197.12 : x
  2. Step 2: Convert to fraction form
    268,850.64/371,066.04 = 154,197.12/x
  3. Step 3: Cross multiply
    268,850.64x = 371,066.04 × 154,197.12
  4. Step 4: Simplify right side
    268,850.64x = 57,217,314,697.80
  5. Step 5: Solve for x
    x = 57,217,314,697.80/268,850.64
  6. Step 6: Final answer
    x = 212,821.94

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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.