Finding the Fourth Proportional to 191,575.68, 264,382.64 and 106,692.74
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Solution
The fourth proportional to 191,575.68, 264,382.64 and 106,692.74 is: 147,240.55
Step by Step Solution
- Step 1: Write the proportion equation
191,575.68 : 264,382.64 = 106,692.74 : x - Step 2: Convert to fraction form
191,575.68/264,382.64 = 106,692.74/x - Step 3: Cross multiply
191,575.68x = 264,382.64 × 106,692.74 - Step 4: Simplify right side
191,575.68x = 28,207,708,270.03 - Step 5: Solve for x
x = 28,207,708,270.03/191,575.68 - Step 6: Final answer
x = 147,240.55
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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.