Finding the Fourth Proportional to 225,296.56, 310,917.14 and 123,322.08
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Solution
The fourth proportional to 225,296.56, 310,917.14 and 123,322.08 is: 170,188.79
Step by Step Solution
- Step 1: Write the proportion equation
225,296.56 : 310,917.14 = 123,322.08 : x - Step 2: Convert to fraction form
225,296.56/310,917.14 = 123,322.08/x - Step 3: Cross multiply
225,296.56x = 310,917.14 × 123,322.08 - Step 4: Simplify right side
225,296.56x = 38,342,949,424.24 - Step 5: Solve for x
x = 38,342,949,424.24/225,296.56 - Step 6: Final answer
x = 170,188.79
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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.