Home / 377,115.21-565,524.59-137,172.15

Finding the Fourth Proportional to 377,115.21, 565,524.59 and 137,172.15

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Solution

The fourth proportional to 377,115.21, 565,524.59 and 137,172.15 is: 205,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,115.21 : 565,524.59 = 137,172.15 : x
  2. Step 2: Convert to fraction form
    377,115.21/565,524.59 = 137,172.15/x
  3. Step 3: Cross multiply
    377,115.21x = 565,524.59 × 137,172.15
  4. Step 4: Simplify right side
    377,115.21x = 77,574,223,202.31
  5. Step 5: Solve for x
    x = 77,574,223,202.31/377,115.21
  6. Step 6: Final answer
    x = 205,704.31

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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.