Finding the Fourth Proportional to 214,837.92, 296,511.84 and 178,971.12
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Solution
The fourth proportional to 214,837.92, 296,511.84 and 178,971.12 is: 247,009.73
Step by Step Solution
- Step 1: Write the proportion equation
214,837.92 : 296,511.84 = 178,971.12 : x - Step 2: Convert to fraction form
214,837.92/296,511.84 = 178,971.12/x - Step 3: Cross multiply
214,837.92x = 296,511.84 × 178,971.12 - Step 4: Simplify right side
214,837.92x = 53,067,056,098.06 - Step 5: Solve for x
x = 53,067,056,098.06/214,837.92 - Step 6: Final answer
x = 247,009.73
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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.