Finding the Fourth Proportional to 235,502.24, 324,990.03 and 128,069.97
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Solution
The fourth proportional to 235,502.24, 324,990.03 and 128,069.97 is: 176,734.89
Step by Step Solution
- Step 1: Write the proportion equation
235,502.24 : 324,990.03 = 128,069.97 : x - Step 2: Convert to fraction form
235,502.24/324,990.03 = 128,069.97/x - Step 3: Cross multiply
235,502.24x = 324,990.03 × 128,069.97 - Step 4: Simplify right side
235,502.24x = 41,621,461,127.10 - Step 5: Solve for x
x = 41,621,461,127.10/235,502.24 - Step 6: Final answer
x = 176,734.89
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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.