Finding the Fourth Proportional to 242,381.67, 362,888.97 and 128,270.99
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Solution
The fourth proportional to 242,381.67, 362,888.97 and 128,270.99 is: 192,044.75
Step by Step Solution
- Step 1: Write the proportion equation
242,381.67 : 362,888.97 = 128,270.99 : x - Step 2: Convert to fraction form
242,381.67/362,888.97 = 128,270.99/x - Step 3: Cross multiply
242,381.67x = 362,888.97 × 128,270.99 - Step 4: Simplify right side
242,381.67x = 46,548,128,349.20 - Step 5: Solve for x
x = 46,548,128,349.20/242,381.67 - Step 6: Final answer
x = 192,044.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.