Home / 358,220.08-494,465.10-222,333.57

Finding the Fourth Proportional to 358,220.08, 494,465.10 and 222,333.57

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Solution

The fourth proportional to 358,220.08, 494,465.10 and 222,333.57 is: 306,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,220.08 : 494,465.10 = 222,333.57 : x
  2. Step 2: Convert to fraction form
    358,220.08/494,465.10 = 222,333.57/x
  3. Step 3: Cross multiply
    358,220.08x = 494,465.10 × 222,333.57
  4. Step 4: Simplify right side
    358,220.08x = 109,936,190,923.41
  5. Step 5: Solve for x
    x = 109,936,190,923.41/358,220.08
  6. Step 6: Final answer
    x = 306,895.67

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1.5x scale

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.