Finding the Fourth Proportional to 193,153.48, 266,538.36 and 107,116.92
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Solution
The fourth proportional to 193,153.48, 266,538.36 and 107,116.92 is: 147,813.89
Step by Step Solution
- Step 1: Write the proportion equation
193,153.48 : 266,538.36 = 107,116.92 : x - Step 2: Convert to fraction form
193,153.48/266,538.36 = 107,116.92/x - Step 3: Cross multiply
193,153.48x = 266,538.36 × 107,116.92 - Step 4: Simplify right side
193,153.48x = 28,550,768,185.05 - Step 5: Solve for x
x = 28,550,768,185.05/193,153.48 - Step 6: Final answer
x = 147,813.89
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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.