Finding the Fourth Proportional to 354,845.52, 532,112.76 and 133,074
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Solution
The fourth proportional to 354,845.52, 532,112.76 and 133,074 is: 199,552.68
Step by Step Solution
- Step 1: Write the proportion equation
354,845.52 : 532,112.76 = 133,074 : x - Step 2: Convert to fraction form
354,845.52/532,112.76 = 133,074/x - Step 3: Cross multiply
354,845.52x = 532,112.76 × 133,074 - Step 4: Simplify right side
354,845.52x = 70,810,373,424.24 - Step 5: Solve for x
x = 70,810,373,424.24/354,845.52 - Step 6: Final answer
x = 199,552.68
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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.