Home / 358,206.24-494,656.56-231,100.32

Finding the Fourth Proportional to 358,206.24, 494,656.56 and 231,100.32

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Solution

The fourth proportional to 358,206.24, 494,656.56 and 231,100.32 is: 319,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,206.24 : 494,656.56 = 231,100.32 : x
  2. Step 2: Convert to fraction form
    358,206.24/494,656.56 = 231,100.32/x
  3. Step 3: Cross multiply
    358,206.24x = 494,656.56 × 231,100.32
  4. Step 4: Simplify right side
    358,206.24x = 114,315,289,306.10
  5. Step 5: Solve for x
    x = 114,315,289,306.10/358,206.24
  6. Step 6: Final answer
    x = 319,132.60

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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.