Finding the Fourth Proportional to 658,049.08, 987,108.64 and 208,805.12
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Solution
The fourth proportional to 658,049.08, 987,108.64 and 208,805.12 is: 313,218.79
Step by Step Solution
- Step 1: Write the proportion equation
658,049.08 : 987,108.64 = 208,805.12 : x - Step 2: Convert to fraction form
658,049.08/987,108.64 = 208,805.12/x - Step 3: Cross multiply
658,049.08x = 987,108.64 × 208,805.12 - Step 4: Simplify right side
658,049.08x = 206,113,338,028.24 - Step 5: Solve for x
x = 206,113,338,028.24/658,049.08 - Step 6: Final answer
x = 313,218.79
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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.