Finding the Fourth Proportional to 746,677.18, 1,120,013.64 and 185,711.68
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Solution
The fourth proportional to 746,677.18, 1,120,013.64 and 185,711.68 is: 278,566.99
Step by Step Solution
- Step 1: Write the proportion equation
746,677.18 : 1,120,013.64 = 185,711.68 : x - Step 2: Convert to fraction form
746,677.18/1,120,013.64 = 185,711.68/x - Step 3: Cross multiply
746,677.18x = 1,120,013.64 × 185,711.68 - Step 4: Simplify right side
746,677.18x = 207,999,611,907.28 - Step 5: Solve for x
x = 207,999,611,907.28/746,677.18 - Step 6: Final answer
x = 278,566.99
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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.