Home / 358,218.08-494,462.34-222,331.57

Finding the Fourth Proportional to 358,218.08, 494,462.34 and 222,331.57

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Solution

The fourth proportional to 358,218.08, 494,462.34 and 222,331.57 is: 306,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,218.08 : 494,462.34 = 222,331.57 : x
  2. Step 2: Convert to fraction form
    358,218.08/494,462.34 = 222,331.57/x
  3. Step 3: Cross multiply
    358,218.08x = 494,462.34 × 222,331.57
  4. Step 4: Simplify right side
    358,218.08x = 109,934,588,358.07
  5. Step 5: Solve for x
    x = 109,934,588,358.07/358,218.08
  6. Step 6: Final answer
    x = 306,892.91

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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.