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Finding the Fourth Proportional to 395,015.60, 592,134.60 and 195,366.80

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Solution

The fourth proportional to 395,015.60, 592,134.60 and 195,366.80 is: 292,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,015.60 : 592,134.60 = 195,366.80 : x
  2. Step 2: Convert to fraction form
    395,015.60/592,134.60 = 195,366.80/x
  3. Step 3: Cross multiply
    395,015.60x = 592,134.60 × 195,366.80
  4. Step 4: Simplify right side
    395,015.60x = 115,683,441,971.28
  5. Step 5: Solve for x
    x = 115,683,441,971.28/395,015.60
  6. Step 6: Final answer
    x = 292,857.91

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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.