Home / 383,135.95-574,835.21-146,546.29

Finding the Fourth Proportional to 383,135.95, 574,835.21 and 146,546.29

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Solution

The fourth proportional to 383,135.95, 574,835.21 and 146,546.29 is: 219,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,135.95 : 574,835.21 = 146,546.29 : x
  2. Step 2: Convert to fraction form
    383,135.95/574,835.21 = 146,546.29/x
  3. Step 3: Cross multiply
    383,135.95x = 574,835.21 × 146,546.29
  4. Step 4: Simplify right side
    383,135.95x = 84,239,967,386.87
  5. Step 5: Solve for x
    x = 84,239,967,386.87/383,135.95
  6. Step 6: Final answer
    x = 219,869.65

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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.