Home / 380,180.08-570,464.64-253,906.48

Finding the Fourth Proportional to 380,180.08, 570,464.64 and 253,906.48

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Solution

The fourth proportional to 380,180.08, 570,464.64 and 253,906.48 is: 380,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,180.08 : 570,464.64 = 253,906.48 : x
  2. Step 2: Convert to fraction form
    380,180.08/570,464.64 = 253,906.48/x
  3. Step 3: Cross multiply
    380,180.08x = 570,464.64 × 253,906.48
  4. Step 4: Simplify right side
    380,180.08x = 144,844,668,706.87
  5. Step 5: Solve for x
    x = 144,844,668,706.87/380,180.08
  6. Step 6: Final answer
    x = 380,989.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.