Finding the Fourth Proportional to 443,766.87, 612,248.67 and 252,644.94
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Solution
The fourth proportional to 443,766.87, 612,248.67 and 252,644.94 is: 348,564.84
Step by Step Solution
- Step 1: Write the proportion equation
443,766.87 : 612,248.67 = 252,644.94 : x - Step 2: Convert to fraction form
443,766.87/612,248.67 = 252,644.94/x - Step 3: Cross multiply
443,766.87x = 612,248.67 × 252,644.94 - Step 4: Simplify right side
443,766.87x = 154,681,528,497.23 - Step 5: Solve for x
x = 154,681,528,497.23/443,766.87 - Step 6: Final answer
x = 348,564.84
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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.