Finding the Fourth Proportional to 206,373.18, 284,835.84 and 133,865.94
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Solution
The fourth proportional to 206,373.18, 284,835.84 and 133,865.94 is: 184,761.50
Step by Step Solution
- Step 1: Write the proportion equation
206,373.18 : 284,835.84 = 133,865.94 : x - Step 2: Convert to fraction form
206,373.18/284,835.84 = 133,865.94/x - Step 3: Cross multiply
206,373.18x = 284,835.84 × 133,865.94 - Step 4: Simplify right side
206,373.18x = 38,129,817,467.29 - Step 5: Solve for x
x = 38,129,817,467.29/206,373.18 - Step 6: Final answer
x = 184,761.50
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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.