Finding the Fourth Proportional to 387,554.49, 581,294.14 and 117,684.97
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Solution
The fourth proportional to 387,554.49, 581,294.14 and 117,684.97 is: 176,516.03
Step by Step Solution
- Step 1: Write the proportion equation
387,554.49 : 581,294.14 = 117,684.97 : x - Step 2: Convert to fraction form
387,554.49/581,294.14 = 117,684.97/x - Step 3: Cross multiply
387,554.49x = 581,294.14 × 117,684.97 - Step 4: Simplify right side
387,554.49x = 68,409,581,679.63 - Step 5: Solve for x
x = 68,409,581,679.63/387,554.49 - Step 6: Final answer
x = 176,516.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.