Finding the Fourth Proportional to 270,623.70, 373,451.49 and 149,770.08
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Solution
The fourth proportional to 270,623.70, 373,451.49 and 149,770.08 is: 206,677.61
Step by Step Solution
- Step 1: Write the proportion equation
270,623.70 : 373,451.49 = 149,770.08 : x - Step 2: Convert to fraction form
270,623.70/373,451.49 = 149,770.08/x - Step 3: Cross multiply
270,623.70x = 373,451.49 × 149,770.08 - Step 4: Simplify right side
270,623.70x = 55,931,859,533.42 - Step 5: Solve for x
x = 55,931,859,533.42/270,623.70 - Step 6: Final answer
x = 206,677.61
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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.