Home / 358,190.16-494,247.60-207,258

Finding the Fourth Proportional to 358,190.16, 494,247.60 and 207,258

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Solution

The fourth proportional to 358,190.16, 494,247.60 and 207,258 is: 285,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,190.16 : 494,247.60 = 207,258 : x
  2. Step 2: Convert to fraction form
    358,190.16/494,247.60 = 207,258/x
  3. Step 3: Cross multiply
    358,190.16x = 494,247.60 × 207,258
  4. Step 4: Simplify right side
    358,190.16x = 102,436,769,080.80
  5. Step 5: Solve for x
    x = 102,436,769,080.80/358,190.16
  6. Step 6: Final answer
    x = 285,984.32

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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.