Home / 377,737.45-521,276.71-207,971.57

Finding the Fourth Proportional to 377,737.45, 521,276.71 and 207,971.57

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Solution

The fourth proportional to 377,737.45, 521,276.71 and 207,971.57 is: 287,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,737.45 : 521,276.71 = 207,971.57 : x
  2. Step 2: Convert to fraction form
    377,737.45/521,276.71 = 207,971.57/x
  3. Step 3: Cross multiply
    377,737.45x = 521,276.71 × 207,971.57
  4. Step 4: Simplify right side
    377,737.45x = 108,410,735,783.14
  5. Step 5: Solve for x
    x = 108,410,735,783.14/377,737.45
  6. Step 6: Final answer
    x = 287,000.23

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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.