Finding the Fourth Proportional to 193,468.68, 266,981.45 and 115,988.13
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Solution
The fourth proportional to 193,468.68, 266,981.45 and 115,988.13 is: 160,060.42
Step by Step Solution
- Step 1: Write the proportion equation
193,468.68 : 266,981.45 = 115,988.13 : x - Step 2: Convert to fraction form
193,468.68/266,981.45 = 115,988.13/x - Step 3: Cross multiply
193,468.68x = 266,981.45 × 115,988.13 - Step 4: Simplify right side
193,468.68x = 30,966,678,550.25 - Step 5: Solve for x
x = 30,966,678,550.25/193,468.68 - Step 6: Final answer
x = 160,060.42
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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.