Finding the Fourth Proportional to 192,866.74, 266,153.12 and 107,986.84
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Solution
The fourth proportional to 192,866.74, 266,153.12 and 107,986.84 is: 149,020.17
Step by Step Solution
- Step 1: Write the proportion equation
192,866.74 : 266,153.12 = 107,986.84 : x - Step 2: Convert to fraction form
192,866.74/266,153.12 = 107,986.84/x - Step 3: Cross multiply
192,866.74x = 266,153.12 × 107,986.84 - Step 4: Simplify right side
192,866.74x = 28,741,034,384.94 - Step 5: Solve for x
x = 28,741,034,384.94/192,866.74 - Step 6: Final answer
x = 149,020.17
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1.5x scale
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.