Finding the Fourth Proportional to 329,378.96, 493,692.08 and 149,601.48
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Solution
The fourth proportional to 329,378.96, 493,692.08 and 149,601.48 is: 224,231.28
Step by Step Solution
- Step 1: Write the proportion equation
329,378.96 : 493,692.08 = 149,601.48 : x - Step 2: Convert to fraction form
329,378.96/493,692.08 = 149,601.48/x - Step 3: Cross multiply
329,378.96x = 493,692.08 × 149,601.48 - Step 4: Simplify right side
329,378.96x = 73,857,065,832.28 - Step 5: Solve for x
x = 73,857,065,832.28/329,378.96 - Step 6: Final answer
x = 224,231.28
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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.