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Finding the Fourth Proportional to 224,394.84, 336,493.26 and 84,055

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Solution

The fourth proportional to 224,394.84, 336,493.26 and 84,055 is: 126,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,394.84 : 336,493.26 = 84,055 : x
  2. Step 2: Convert to fraction form
    224,394.84/336,493.26 = 84,055/x
  3. Step 3: Cross multiply
    224,394.84x = 336,493.26 × 84,055
  4. Step 4: Simplify right side
    224,394.84x = 28,283,940,969.30
  5. Step 5: Solve for x
    x = 28,283,940,969.30/224,394.84
  6. Step 6: Final answer
    x = 126,045.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.