Finding the Fourth Proportional to 188,394.18, 282,630.33 and 55,278.78
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Solution
The fourth proportional to 188,394.18, 282,630.33 and 55,278.78 is: 82,929.63
Step by Step Solution
- Step 1: Write the proportion equation
188,394.18 : 282,630.33 = 55,278.78 : x - Step 2: Convert to fraction form
188,394.18/282,630.33 = 55,278.78/x - Step 3: Cross multiply
188,394.18x = 282,630.33 × 55,278.78 - Step 4: Simplify right side
188,394.18x = 15,623,459,833.40 - Step 5: Solve for x
x = 15,623,459,833.40/188,394.18 - Step 6: Final answer
x = 82,929.63
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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.