Home / 358,208.84-494,048.35-222,166.50

Finding the Fourth Proportional to 358,208.84, 494,048.35 and 222,166.50

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Solution

The fourth proportional to 358,208.84, 494,048.35 and 222,166.50 is: 306,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,208.84 : 494,048.35 = 222,166.50 : x
  2. Step 2: Convert to fraction form
    358,208.84/494,048.35 = 222,166.50/x
  3. Step 3: Cross multiply
    358,208.84x = 494,048.35 × 222,166.50
  4. Step 4: Simplify right side
    358,208.84x = 109,760,992,750.28
  5. Step 5: Solve for x
    x = 109,760,992,750.28/358,208.84
  6. Step 6: Final answer
    x = 306,416.20

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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.