Finding the Fourth Proportional to 189,692.24, 261,772.68 and 104,808.08
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Solution
The fourth proportional to 189,692.24, 261,772.68 and 104,808.08 is: 144,633.71
Step by Step Solution
- Step 1: Write the proportion equation
189,692.24 : 261,772.68 = 104,808.08 : x - Step 2: Convert to fraction form
189,692.24/261,772.68 = 104,808.08/x - Step 3: Cross multiply
189,692.24x = 261,772.68 × 104,808.08 - Step 4: Simplify right side
189,692.24x = 27,435,891,987.25 - Step 5: Solve for x
x = 27,435,891,987.25/189,692.24 - Step 6: Final answer
x = 144,633.71
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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.