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Finding the Fourth Proportional to 374,446.20, 561,669.30 and 355,200.60

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Solution

The fourth proportional to 374,446.20, 561,669.30 and 355,200.60 is: 532,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,446.20 : 561,669.30 = 355,200.60 : x
  2. Step 2: Convert to fraction form
    374,446.20/561,669.30 = 355,200.60/x
  3. Step 3: Cross multiply
    374,446.20x = 561,669.30 × 355,200.60
  4. Step 4: Simplify right side
    374,446.20x = 199,505,272,361.58
  5. Step 5: Solve for x
    x = 199,505,272,361.58/374,446.20
  6. Step 6: Final answer
    x = 532,800.90

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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.