Finding the Fourth Proportional to 151,963.24, 209,709.91 and 83,054.09
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Solution
The fourth proportional to 151,963.24, 209,709.91 and 83,054.09 is: 114,614.99
Step by Step Solution
- Step 1: Write the proportion equation
151,963.24 : 209,709.91 = 83,054.09 : x - Step 2: Convert to fraction form
151,963.24/209,709.91 = 83,054.09/x - Step 3: Cross multiply
151,963.24x = 209,709.91 × 83,054.09 - Step 4: Simplify right side
151,963.24x = 17,417,265,739.03 - Step 5: Solve for x
x = 17,417,265,739.03/151,963.24 - Step 6: Final answer
x = 114,614.99
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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.