Finding the Fourth Proportional to 116,364.75, 160,583.36 and 63,372.75
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Solution
The fourth proportional to 116,364.75, 160,583.36 and 63,372.75 is: 87,454.40
Step by Step Solution
- Step 1: Write the proportion equation
116,364.75 : 160,583.36 = 63,372.75 : x - Step 2: Convert to fraction form
116,364.75/160,583.36 = 63,372.75/x - Step 3: Cross multiply
116,364.75x = 160,583.36 × 63,372.75 - Step 4: Simplify right side
116,364.75x = 10,176,608,810.58 - Step 5: Solve for x
x = 10,176,608,810.58/116,364.75 - Step 6: Final answer
x = 87,454.40
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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.