Home / 374,449.40-561,674.10-108,218.60

Finding the Fourth Proportional to 374,449.40, 561,674.10 and 108,218.60

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Solution

The fourth proportional to 374,449.40, 561,674.10 and 108,218.60 is: 162,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,449.40 : 561,674.10 = 108,218.60 : x
  2. Step 2: Convert to fraction form
    374,449.40/561,674.10 = 108,218.60/x
  3. Step 3: Cross multiply
    374,449.40x = 561,674.10 × 108,218.60
  4. Step 4: Simplify right side
    374,449.40x = 60,783,584,758.26
  5. Step 5: Solve for x
    x = 60,783,584,758.26/374,449.40
  6. Step 6: Final answer
    x = 162,327.90

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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.