Finding the Fourth Proportional to 476,660.79, 714,981.90 and 192,343.80
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Solution
The fourth proportional to 476,660.79, 714,981.90 and 192,343.80 is: 288,511.95
Step by Step Solution
- Step 1: Write the proportion equation
476,660.79 : 714,981.90 = 192,343.80 : x - Step 2: Convert to fraction form
476,660.79/714,981.90 = 192,343.80/x - Step 3: Cross multiply
476,660.79x = 714,981.90 × 192,343.80 - Step 4: Simplify right side
476,660.79x = 137,522,335,577.22 - Step 5: Solve for x
x = 137,522,335,577.22/476,660.79 - Step 6: Final answer
x = 288,511.95
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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.