Finding the Fourth Proportional to 178,668.35, 246,562.82 and 98,101.09
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Solution
The fourth proportional to 178,668.35, 246,562.82 and 98,101.09 is: 135,379.78
Step by Step Solution
- Step 1: Write the proportion equation
178,668.35 : 246,562.82 = 98,101.09 : x - Step 2: Convert to fraction form
178,668.35/246,562.82 = 98,101.09/x - Step 3: Cross multiply
178,668.35x = 246,562.82 × 98,101.09 - Step 4: Simplify right side
178,668.35x = 24,188,081,395.47 - Step 5: Solve for x
x = 24,188,081,395.47/178,668.35 - Step 6: Final answer
x = 135,379.78
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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.