Home / 288,786.90-432,848.67-180,764.82

Finding the Fourth Proportional to 288,786.90, 432,848.67 and 180,764.82

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Solution

The fourth proportional to 288,786.90, 432,848.67 and 180,764.82 is: 270,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,786.90 : 432,848.67 = 180,764.82 : x
  2. Step 2: Convert to fraction form
    288,786.90/432,848.67 = 180,764.82/x
  3. Step 3: Cross multiply
    288,786.90x = 432,848.67 × 180,764.82
  4. Step 4: Simplify right side
    288,786.90x = 78,243,811,919.79
  5. Step 5: Solve for x
    x = 78,243,811,919.79/288,786.90
  6. Step 6: Final answer
    x = 270,939.62

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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.