Home / 358,441.47-494,483.13-231,158.07

Finding the Fourth Proportional to 358,441.47, 494,483.13 and 231,158.07

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Solution

The fourth proportional to 358,441.47, 494,483.13 and 231,158.07 is: 318,891.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,441.47 : 494,483.13 = 231,158.07 : x
  2. Step 2: Convert to fraction form
    358,441.47/494,483.13 = 231,158.07/x
  3. Step 3: Cross multiply
    358,441.47x = 494,483.13 × 231,158.07
  4. Step 4: Simplify right side
    358,441.47x = 114,303,765,978.36
  5. Step 5: Solve for x
    x = 114,303,765,978.36/358,441.47
  6. Step 6: Final answer
    x = 318,891.02

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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.