Finding the Fourth Proportional to 298,837.08, 412,394.22 and 164,701.08
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Solution
The fourth proportional to 298,837.08, 412,394.22 and 164,701.08 is: 227,286.97
Step by Step Solution
- Step 1: Write the proportion equation
298,837.08 : 412,394.22 = 164,701.08 : x - Step 2: Convert to fraction form
298,837.08/412,394.22 = 164,701.08/x - Step 3: Cross multiply
298,837.08x = 412,394.22 × 164,701.08 - Step 4: Simplify right side
298,837.08x = 67,921,773,419.76 - Step 5: Solve for x
x = 67,921,773,419.76/298,837.08 - Step 6: Final answer
x = 227,286.97
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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.