Finding the Fourth Proportional to 326,691.84, 450,639.28 and 205,622.94
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Solution
The fourth proportional to 326,691.84, 450,639.28 and 205,622.94 is: 283,636.64
Step by Step Solution
- Step 1: Write the proportion equation
326,691.84 : 450,639.28 = 205,622.94 : x - Step 2: Convert to fraction form
326,691.84/450,639.28 = 205,622.94/x - Step 3: Cross multiply
326,691.84x = 450,639.28 × 205,622.94 - Step 4: Simplify right side
326,691.84x = 92,661,775,580.01 - Step 5: Solve for x
x = 92,661,775,580.01/326,691.84 - Step 6: Final answer
x = 283,636.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.