Home / 377,962.45-566,603.32-137,908.78

Finding the Fourth Proportional to 377,962.45, 566,603.32 and 137,908.78

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Solution

The fourth proportional to 377,962.45, 566,603.32 and 137,908.78 is: 206,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,962.45 : 566,603.32 = 137,908.78 : x
  2. Step 2: Convert to fraction form
    377,962.45/566,603.32 = 137,908.78/x
  3. Step 3: Cross multiply
    377,962.45x = 566,603.32 × 137,908.78
  4. Step 4: Simplify right side
    377,962.45x = 78,139,571,102.45
  5. Step 5: Solve for x
    x = 78,139,571,102.45/377,962.45
  6. Step 6: Final answer
    x = 206,738.98

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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.