Finding the Fourth Proportional to 386,582.88, 533,511.01 and 216,827.94
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Solution
The fourth proportional to 386,582.88, 533,511.01 and 216,827.94 is: 299,237.50
Step by Step Solution
- Step 1: Write the proportion equation
386,582.88 : 533,511.01 = 216,827.94 : x - Step 2: Convert to fraction form
386,582.88/533,511.01 = 216,827.94/x - Step 3: Cross multiply
386,582.88x = 533,511.01 × 216,827.94 - Step 4: Simplify right side
386,582.88x = 115,680,093,265.62 - Step 5: Solve for x
x = 115,680,093,265.62/386,582.88 - Step 6: Final answer
x = 299,237.50
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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.