Finding the Fourth Proportional to 151,033.24, 208,418.74 and 83,053.08
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Solution
The fourth proportional to 151,033.24, 208,418.74 and 83,053.08 is: 114,609.33
Step by Step Solution
- Step 1: Write the proportion equation
151,033.24 : 208,418.74 = 83,053.08 : x - Step 2: Convert to fraction form
151,033.24/208,418.74 = 83,053.08/x - Step 3: Cross multiply
151,033.24x = 208,418.74 × 83,053.08 - Step 4: Simplify right side
151,033.24x = 17,309,818,286.72 - Step 5: Solve for x
x = 17,309,818,286.72/151,033.24 - Step 6: Final answer
x = 114,609.33
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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.