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Finding the Fourth Proportional to 394,977.60, 592,077.60 and 195,328.80

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Solution

The fourth proportional to 394,977.60, 592,077.60 and 195,328.80 is: 292,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,977.60 : 592,077.60 = 195,328.80 : x
  2. Step 2: Convert to fraction form
    394,977.60/592,077.60 = 195,328.80/x
  3. Step 3: Cross multiply
    394,977.60x = 592,077.60 × 195,328.80
  4. Step 4: Simplify right side
    394,977.60x = 115,649,807,114.88
  5. Step 5: Solve for x
    x = 115,649,807,114.88/394,977.60
  6. Step 6: Final answer
    x = 292,800.93

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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.