Finding the Fourth Proportional to 192,771.70, 266,024.91 and 107,888.77
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Solution
The fourth proportional to 192,771.70, 266,024.91 and 107,888.77 is: 148,886.48
Step by Step Solution
- Step 1: Write the proportion equation
192,771.70 : 266,024.91 = 107,888.77 : x - Step 2: Convert to fraction form
192,771.70/266,024.91 = 107,888.77/x - Step 3: Cross multiply
192,771.70x = 266,024.91 × 107,888.77 - Step 4: Simplify right side
192,771.70x = 28,701,098,999.14 - Step 5: Solve for x
x = 28,701,098,999.14/192,771.70 - Step 6: Final answer
x = 148,886.48
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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.