Finding the Fourth Proportional to 192,862.98, 266,147.94 and 107,983.08
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Solution
The fourth proportional to 192,862.98, 266,147.94 and 107,983.08 is: 149,014.99
Step by Step Solution
- Step 1: Write the proportion equation
192,862.98 : 266,147.94 = 107,983.08 : x - Step 2: Convert to fraction form
192,862.98/266,147.94 = 107,983.08/x - Step 3: Cross multiply
192,862.98x = 266,147.94 × 107,983.08 - Step 4: Simplify right side
192,862.98x = 28,739,474,296.86 - Step 5: Solve for x
x = 28,739,474,296.86/192,862.98 - Step 6: Final answer
x = 149,014.99
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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.