Finding the Fourth Proportional to 193,114.88, 266,497.92 and 112,590.08
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Solution
The fourth proportional to 193,114.88, 266,497.92 and 112,590.08 is: 155,373.95
Step by Step Solution
- Step 1: Write the proportion equation
193,114.88 : 266,497.92 = 112,590.08 : x - Step 2: Convert to fraction form
193,114.88/266,497.92 = 112,590.08/x - Step 3: Cross multiply
193,114.88x = 266,497.92 × 112,590.08 - Step 4: Simplify right side
193,114.88x = 30,005,022,132.63 - Step 5: Solve for x
x = 30,005,022,132.63/193,114.88 - Step 6: Final answer
x = 155,373.95
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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.