Finding the Fourth Proportional to 261,871.98, 392,075.82 and 141,497.62
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Solution
The fourth proportional to 261,871.98, 392,075.82 and 141,497.62 is: 211,850.83
Step by Step Solution
- Step 1: Write the proportion equation
261,871.98 : 392,075.82 = 141,497.62 : x - Step 2: Convert to fraction form
261,871.98/392,075.82 = 141,497.62/x - Step 3: Cross multiply
261,871.98x = 392,075.82 × 141,497.62 - Step 4: Simplify right side
261,871.98x = 55,477,795,389.55 - Step 5: Solve for x
x = 55,477,795,389.55/261,871.98 - Step 6: Final answer
x = 211,850.83
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1.5x scale
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.