Finding the Fourth Proportional to 441,292.88, 661,946.62 and 213,456.08
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Solution
The fourth proportional to 441,292.88, 661,946.62 and 213,456.08 is: 320,187.65
Step by Step Solution
- Step 1: Write the proportion equation
441,292.88 : 661,946.62 = 213,456.08 : x - Step 2: Convert to fraction form
441,292.88/661,946.62 = 213,456.08/x - Step 3: Cross multiply
441,292.88x = 661,946.62 × 213,456.08 - Step 4: Simplify right side
441,292.88x = 141,296,530,674.45 - Step 5: Solve for x
x = 141,296,530,674.45/441,292.88 - Step 6: Final answer
x = 320,187.65
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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.