Finding the Fourth Proportional to 354,943.40, 532,415.10 and 236,229.80
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Solution
The fourth proportional to 354,943.40, 532,415.10 and 236,229.80 is: 354,344.70
Step by Step Solution
- Step 1: Write the proportion equation
354,943.40 : 532,415.10 = 236,229.80 : x - Step 2: Convert to fraction form
354,943.40/532,415.10 = 236,229.80/x - Step 3: Cross multiply
354,943.40x = 532,415.10 × 236,229.80 - Step 4: Simplify right side
354,943.40x = 125,772,312,589.98 - Step 5: Solve for x
x = 125,772,312,589.98/354,943.40 - Step 6: Final answer
x = 354,344.70
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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.