Finding the Fourth Proportional to 169,721.79, 234,190.04 and 98,087.99
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Solution
The fourth proportional to 169,721.79, 234,190.04 and 98,087.99 is: 135,346.37
Step by Step Solution
- Step 1: Write the proportion equation
169,721.79 : 234,190.04 = 98,087.99 : x - Step 2: Convert to fraction form
169,721.79/234,190.04 = 98,087.99/x - Step 3: Cross multiply
169,721.79x = 234,190.04 × 98,087.99 - Step 4: Simplify right side
169,721.79x = 22,971,228,640.23 - Step 5: Solve for x
x = 22,971,228,640.23/169,721.79 - Step 6: Final answer
x = 135,346.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.