Finding the Fourth Proportional to 192,878.62, 266,204.03 and 115,349.20
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Solution
The fourth proportional to 192,878.62, 266,204.03 and 115,349.20 is: 159,200.75
Step by Step Solution
- Step 1: Write the proportion equation
192,878.62 : 266,204.03 = 115,349.20 : x - Step 2: Convert to fraction form
192,878.62/266,204.03 = 115,349.20/x - Step 3: Cross multiply
192,878.62x = 266,204.03 × 115,349.20 - Step 4: Simplify right side
192,878.62x = 30,706,421,897.28 - Step 5: Solve for x
x = 30,706,421,897.28/192,878.62 - Step 6: Final answer
x = 159,200.75
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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.