Finding the Fourth Proportional to 132,809.10, 199,213.65 and 48,569.10
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Solution
The fourth proportional to 132,809.10, 199,213.65 and 48,569.10 is: 72,853.65
Step by Step Solution
- Step 1: Write the proportion equation
132,809.10 : 199,213.65 = 48,569.10 : x - Step 2: Convert to fraction form
132,809.10/199,213.65 = 48,569.10/x - Step 3: Cross multiply
132,809.10x = 199,213.65 × 48,569.10 - Step 4: Simplify right side
132,809.10x = 9,675,627,688.22 - Step 5: Solve for x
x = 9,675,627,688.22/132,809.10 - Step 6: Final answer
x = 72,853.65
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1.5x scale
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.