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Finding the Fourth Proportional to 380,244.60, 570,396.60 and 169,903.80

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Solution

The fourth proportional to 380,244.60, 570,396.60 and 169,903.80 is: 254,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,244.60 : 570,396.60 = 169,903.80 : x
  2. Step 2: Convert to fraction form
    380,244.60/570,396.60 = 169,903.80/x
  3. Step 3: Cross multiply
    380,244.60x = 570,396.60 × 169,903.80
  4. Step 4: Simplify right side
    380,244.60x = 96,912,549,847.08
  5. Step 5: Solve for x
    x = 96,912,549,847.08/380,244.60
  6. Step 6: Final answer
    x = 254,868.97

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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.