Home / 377,205.22-520,532.82-207,439.34

Finding the Fourth Proportional to 377,205.22, 520,532.82 and 207,439.34

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Solution

The fourth proportional to 377,205.22, 520,532.82 and 207,439.34 is: 286,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,205.22 : 520,532.82 = 207,439.34 : x
  2. Step 2: Convert to fraction form
    377,205.22/520,532.82 = 207,439.34/x
  3. Step 3: Cross multiply
    377,205.22x = 520,532.82 × 207,439.34
  4. Step 4: Simplify right side
    377,205.22x = 107,978,984,629.14
  5. Step 5: Solve for x
    x = 107,978,984,629.14/377,205.22
  6. Step 6: Final answer
    x = 286,260.58

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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.