Finding the Fourth Proportional to 188,125.71, 282,115.05 and 68,154.18
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Solution
The fourth proportional to 188,125.71, 282,115.05 and 68,154.18 is: 102,204.63
Step by Step Solution
- Step 1: Write the proportion equation
188,125.71 : 282,115.05 = 68,154.18 : x - Step 2: Convert to fraction form
188,125.71/282,115.05 = 68,154.18/x - Step 3: Cross multiply
188,125.71x = 282,115.05 × 68,154.18 - Step 4: Simplify right side
188,125.71x = 19,227,318,584.90 - Step 5: Solve for x
x = 19,227,318,584.90/188,125.71 - Step 6: Final answer
x = 102,204.63
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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.