Home / 288,961.35-433,488.33-89,234.79

Finding the Fourth Proportional to 288,961.35, 433,488.33 and 89,234.79

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Solution

The fourth proportional to 288,961.35, 433,488.33 and 89,234.79 is: 133,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,961.35 : 433,488.33 = 89,234.79 : x
  2. Step 2: Convert to fraction form
    288,961.35/433,488.33 = 89,234.79/x
  3. Step 3: Cross multiply
    288,961.35x = 433,488.33 × 89,234.79
  4. Step 4: Simplify right side
    288,961.35x = 38,682,240,095.00
  5. Step 5: Solve for x
    x = 38,682,240,095.00/288,961.35
  6. Step 6: Final answer
    x = 133,866.48

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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.