Home / 297,742.40-446,743.20-149,998.40

Finding the Fourth Proportional to 297,742.40, 446,743.20 and 149,998.40

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Solution

The fourth proportional to 297,742.40, 446,743.20 and 149,998.40 is: 225,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,742.40 : 446,743.20 = 149,998.40 : x
  2. Step 2: Convert to fraction form
    297,742.40/446,743.20 = 149,998.40/x
  3. Step 3: Cross multiply
    297,742.40x = 446,743.20 × 149,998.40
  4. Step 4: Simplify right side
    297,742.40x = 67,010,765,210.88
  5. Step 5: Solve for x
    x = 67,010,765,210.88/297,742.40
  6. Step 6: Final answer
    x = 225,062.89

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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.