Finding the Fourth Proportional to 659,358.51, 989,186.94 and 210,104.97
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Solution
The fourth proportional to 659,358.51, 989,186.94 and 210,104.97 is: 315,204.99
Step by Step Solution
- Step 1: Write the proportion equation
659,358.51 : 989,186.94 = 210,104.97 : x - Step 2: Convert to fraction form
659,358.51/989,186.94 = 210,104.97/x - Step 3: Cross multiply
659,358.51x = 989,186.94 × 210,104.97 - Step 4: Simplify right side
659,358.51x = 207,833,092,353.09 - Step 5: Solve for x
x = 207,833,092,353.09/659,358.51 - Step 6: Final answer
x = 315,204.99
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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.