Finding the Fourth Proportional to 192,808.84, 289,252.32 and 68,237.32
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Solution
The fourth proportional to 192,808.84, 289,252.32 and 68,237.32 is: 102,369.80
Step by Step Solution
- Step 1: Write the proportion equation
192,808.84 : 289,252.32 = 68,237.32 : x - Step 2: Convert to fraction form
192,808.84/289,252.32 = 68,237.32/x - Step 3: Cross multiply
192,808.84x = 289,252.32 × 68,237.32 - Step 4: Simplify right side
192,808.84x = 19,737,803,120.58 - Step 5: Solve for x
x = 19,737,803,120.58/192,808.84 - Step 6: Final answer
x = 102,369.80
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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.