Home / 379,688.62-523,977.88-207,617.36

Finding the Fourth Proportional to 379,688.62, 523,977.88 and 207,617.36

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Solution

The fourth proportional to 379,688.62, 523,977.88 and 207,617.36 is: 286,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,688.62 : 523,977.88 = 207,617.36 : x
  2. Step 2: Convert to fraction form
    379,688.62/523,977.88 = 207,617.36/x
  3. Step 3: Cross multiply
    379,688.62x = 523,977.88 × 207,617.36
  4. Step 4: Simplify right side
    379,688.62x = 108,786,904,144.00
  5. Step 5: Solve for x
    x = 108,786,904,144.00/379,688.62
  6. Step 6: Final answer
    x = 286,516.10

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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.