Finding the Fourth Proportional to 117,207.52, 175,905.76 and 61,064.80
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Solution
The fourth proportional to 117,207.52, 175,905.76 and 61,064.80 is: 91,646.42
Step by Step Solution
- Step 1: Write the proportion equation
117,207.52 : 175,905.76 = 61,064.80 : x - Step 2: Convert to fraction form
117,207.52/175,905.76 = 61,064.80/x - Step 3: Cross multiply
117,207.52x = 175,905.76 × 61,064.80 - Step 4: Simplify right side
117,207.52x = 10,741,650,053.25 - Step 5: Solve for x
x = 10,741,650,053.25/117,207.52 - Step 6: Final answer
x = 91,646.42
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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.