Finding the Fourth Proportional to 274,894.24, 379,318.64 and 161,675.68
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Solution
The fourth proportional to 274,894.24, 379,318.64 and 161,675.68 is: 223,091.61
Step by Step Solution
- Step 1: Write the proportion equation
274,894.24 : 379,318.64 = 161,675.68 : x - Step 2: Convert to fraction form
274,894.24/379,318.64 = 161,675.68/x - Step 3: Cross multiply
274,894.24x = 379,318.64 × 161,675.68 - Step 4: Simplify right side
274,894.24x = 61,326,599,058.68 - Step 5: Solve for x
x = 61,326,599,058.68/274,894.24 - Step 6: Final answer
x = 223,091.61
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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.