Finding the Fourth Proportional to 193,152.50, 266,543.03 and 107,115.02
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Solution
The fourth proportional to 193,152.50, 266,543.03 and 107,115.02 is: 147,814.61
Step by Step Solution
- Step 1: Write the proportion equation
193,152.50 : 266,543.03 = 107,115.02 : x - Step 2: Convert to fraction form
193,152.50/266,543.03 = 107,115.02/x - Step 3: Cross multiply
193,152.50x = 266,543.03 × 107,115.02 - Step 4: Simplify right side
193,152.50x = 28,550,760,924.38 - Step 5: Solve for x
x = 28,550,760,924.38/193,152.50 - Step 6: Final answer
x = 147,814.61
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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.