Finding the Fourth Proportional to 171,378.24, 236,504.39 and 98,740.99
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Solution
The fourth proportional to 171,378.24, 236,504.39 and 98,740.99 is: 136,263.96
Step by Step Solution
- Step 1: Write the proportion equation
171,378.24 : 236,504.39 = 98,740.99 : x - Step 2: Convert to fraction form
171,378.24/236,504.39 = 98,740.99/x - Step 3: Cross multiply
171,378.24x = 236,504.39 × 98,740.99 - Step 4: Simplify right side
171,378.24x = 23,352,677,607.95 - Step 5: Solve for x
x = 23,352,677,607.95/171,378.24 - Step 6: Final answer
x = 136,263.96
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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.