Finding the Fourth Proportional to 351,356.94, 484,874.12 and 190,211.99
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Solution
The fourth proportional to 351,356.94, 484,874.12 and 190,211.99 is: 262,493.38
Step by Step Solution
- Step 1: Write the proportion equation
351,356.94 : 484,874.12 = 190,211.99 : x - Step 2: Convert to fraction form
351,356.94/484,874.12 = 190,211.99/x - Step 3: Cross multiply
351,356.94x = 484,874.12 × 190,211.99 - Step 4: Simplify right side
351,356.94x = 92,228,870,679.57 - Step 5: Solve for x
x = 92,228,870,679.57/351,356.94 - Step 6: Final answer
x = 262,493.38
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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.