Home / 377,835.15-521,372.82-214,439.67

Finding the Fourth Proportional to 377,835.15, 521,372.82 and 214,439.67

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Solution

The fourth proportional to 377,835.15, 521,372.82 and 214,439.67 is: 295,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,835.15 : 521,372.82 = 214,439.67 : x
  2. Step 2: Convert to fraction form
    377,835.15/521,372.82 = 214,439.67/x
  3. Step 3: Cross multiply
    377,835.15x = 521,372.82 × 214,439.67
  4. Step 4: Simplify right side
    377,835.15x = 111,803,015,467.77
  5. Step 5: Solve for x
    x = 111,803,015,467.77/377,835.15
  6. Step 6: Final answer
    x = 295,904.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.