Finding the Fourth Proportional to 239,850.40, 359,378.64 and 215,126.08
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Solution
The fourth proportional to 239,850.40, 359,378.64 and 215,126.08 is: 322,333.08
Step by Step Solution
- Step 1: Write the proportion equation
239,850.40 : 359,378.64 = 215,126.08 : x - Step 2: Convert to fraction form
239,850.40/359,378.64 = 215,126.08/x - Step 3: Cross multiply
239,850.40x = 359,378.64 × 215,126.08 - Step 4: Simplify right side
239,850.40x = 77,311,718,058.93 - Step 5: Solve for x
x = 77,311,718,058.93/239,850.40 - Step 6: Final answer
x = 322,333.08
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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.