Finding the Fourth Proportional to 235,486.47, 324,979.86 and 134,903.91
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Solution
The fourth proportional to 235,486.47, 324,979.86 and 134,903.91 is: 186,172.28
Step by Step Solution
- Step 1: Write the proportion equation
235,486.47 : 324,979.86 = 134,903.91 : x - Step 2: Convert to fraction form
235,486.47/324,979.86 = 134,903.91/x - Step 3: Cross multiply
235,486.47x = 324,979.86 × 134,903.91 - Step 4: Simplify right side
235,486.47x = 43,841,053,785.25 - Step 5: Solve for x
x = 43,841,053,785.25/235,486.47 - Step 6: Final answer
x = 186,172.28
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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.