Finding the Fourth Proportional to 451,989.36, 677,468.52 and 211,852.08
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Solution
The fourth proportional to 451,989.36, 677,468.52 and 211,852.08 is: 317,536.49
Step by Step Solution
- Step 1: Write the proportion equation
451,989.36 : 677,468.52 = 211,852.08 : x - Step 2: Convert to fraction form
451,989.36/677,468.52 = 211,852.08/x - Step 3: Cross multiply
451,989.36x = 677,468.52 × 211,852.08 - Step 4: Simplify right side
451,989.36x = 143,523,115,096.52 - Step 5: Solve for x
x = 143,523,115,096.52/451,989.36 - Step 6: Final answer
x = 317,536.49
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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.