Home / 288,786.40-432,847.92-180,764.32

Finding the Fourth Proportional to 288,786.40, 432,847.92 and 180,764.32

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Solution

The fourth proportional to 288,786.40, 432,847.92 and 180,764.32 is: 270,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,786.40 : 432,847.92 = 180,764.32 : x
  2. Step 2: Convert to fraction form
    288,786.40/432,847.92 = 180,764.32/x
  3. Step 3: Cross multiply
    288,786.40x = 432,847.92 × 180,764.32
  4. Step 4: Simplify right side
    288,786.40x = 78,243,459,922.21
  5. Step 5: Solve for x
    x = 78,243,459,922.21/288,786.40
  6. Step 6: Final answer
    x = 270,938.87

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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.