Home / 288,631.74-433,018.08-203,408.85

Finding the Fourth Proportional to 288,631.74, 433,018.08 and 203,408.85

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Solution

The fourth proportional to 288,631.74, 433,018.08 and 203,408.85 is: 305,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,631.74 : 433,018.08 = 203,408.85 : x
  2. Step 2: Convert to fraction form
    288,631.74/433,018.08 = 203,408.85/x
  3. Step 3: Cross multiply
    288,631.74x = 433,018.08 × 203,408.85
  4. Step 4: Simplify right side
    288,631.74x = 88,079,709,682.01
  5. Step 5: Solve for x
    x = 88,079,709,682.01/288,631.74
  6. Step 6: Final answer
    x = 305,162.94

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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.