Finding the Fourth Proportional to 188,624.99, 282,955.98 and 68,714.54
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Solution
The fourth proportional to 188,624.99, 282,955.98 and 68,714.54 is: 103,078.55
Step by Step Solution
- Step 1: Write the proportion equation
188,624.99 : 282,955.98 = 68,714.54 : x - Step 2: Convert to fraction form
188,624.99/282,955.98 = 68,714.54/x - Step 3: Cross multiply
188,624.99x = 282,955.98 × 68,714.54 - Step 4: Simplify right side
188,624.99x = 19,443,190,005.95 - Step 5: Solve for x
x = 19,443,190,005.95/188,624.99 - Step 6: Final answer
x = 103,078.55
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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.