Finding the Fourth Proportional to 132,943.52, 199,454.16 and 39,451.70
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Solution
The fourth proportional to 132,943.52, 199,454.16 and 39,451.70 is: 59,189.09
Step by Step Solution
- Step 1: Write the proportion equation
132,943.52 : 199,454.16 = 39,451.70 : x - Step 2: Convert to fraction form
132,943.52/199,454.16 = 39,451.70/x - Step 3: Cross multiply
132,943.52x = 199,454.16 × 39,451.70 - Step 4: Simplify right side
132,943.52x = 7,868,805,684.07 - Step 5: Solve for x
x = 7,868,805,684.07/132,943.52 - Step 6: Final answer
x = 59,189.09
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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.