Finding the Fourth Proportional to 354,718.05, 532,263.91 and 205,063.44
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Solution
The fourth proportional to 354,718.05, 532,263.91 and 205,063.44 is: 307,703.17
Step by Step Solution
- Step 1: Write the proportion equation
354,718.05 : 532,263.91 = 205,063.44 : x - Step 2: Convert to fraction form
354,718.05/532,263.91 = 205,063.44/x - Step 3: Cross multiply
354,718.05x = 532,263.91 × 205,063.44 - Step 4: Simplify right side
354,718.05x = 109,147,867,859.79 - Step 5: Solve for x
x = 109,147,867,859.79/354,718.05 - Step 6: Final answer
x = 307,703.17
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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.