Finding the Fourth Proportional to 221,302.08, 305,400.24 and 120,700.08
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Solution
The fourth proportional to 221,302.08, 305,400.24 and 120,700.08 is: 166,567.95
Step by Step Solution
- Step 1: Write the proportion equation
221,302.08 : 305,400.24 = 120,700.08 : x - Step 2: Convert to fraction form
221,302.08/305,400.24 = 120,700.08/x - Step 3: Cross multiply
221,302.08x = 305,400.24 × 120,700.08 - Step 4: Simplify right side
221,302.08x = 36,861,833,400.02 - Step 5: Solve for x
x = 36,861,833,400.02/221,302.08 - Step 6: Final answer
x = 166,567.95
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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.