Home / 217,056.40-325,066.20-133,075.60

Finding the Fourth Proportional to 217,056.40, 325,066.20 and 133,075.60

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Solution

The fourth proportional to 217,056.40, 325,066.20 and 133,075.60 is: 199,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,056.40 : 325,066.20 = 133,075.60 : x
  2. Step 2: Convert to fraction form
    217,056.40/325,066.20 = 133,075.60/x
  3. Step 3: Cross multiply
    217,056.40x = 325,066.20 × 133,075.60
  4. Step 4: Simplify right side
    217,056.40x = 43,258,379,604.72
  5. Step 5: Solve for x
    x = 43,258,379,604.72/217,056.40
  6. Step 6: Final answer
    x = 199,295.57

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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.