Finding the Fourth Proportional to 151,964.24, 209,711.29 and 83,055.09
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Solution
The fourth proportional to 151,964.24, 209,711.29 and 83,055.09 is: 114,616.37
Step by Step Solution
- Step 1: Write the proportion equation
151,964.24 : 209,711.29 = 83,055.09 : x - Step 2: Convert to fraction form
151,964.24/209,711.29 = 83,055.09/x - Step 3: Cross multiply
151,964.24x = 209,711.29 × 83,055.09 - Step 4: Simplify right side
151,964.24x = 17,417,590,064.97 - Step 5: Solve for x
x = 17,417,590,064.97/151,964.24 - Step 6: Final answer
x = 114,616.37
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1.5x scale
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.