Finding the Fourth Proportional to 576,768.22, 865,173.11 and 216,906.09
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Solution
The fourth proportional to 576,768.22, 865,173.11 and 216,906.09 is: 325,366.95
Step by Step Solution
- Step 1: Write the proportion equation
576,768.22 : 865,173.11 = 216,906.09 : x - Step 2: Convert to fraction form
576,768.22/865,173.11 = 216,906.09/x - Step 3: Cross multiply
576,768.22x = 865,173.11 × 216,906.09 - Step 4: Simplify right side
576,768.22x = 187,661,316,463.24 - Step 5: Solve for x
x = 187,661,316,463.24/576,768.22 - Step 6: Final answer
x = 325,366.95
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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.