Finding the Fourth Proportional to 203,695.15, 285,763.70 and 203,695.15
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Solution
The fourth proportional to 203,695.15, 285,763.70 and 203,695.15 is: 285,763.70
Step by Step Solution
- Step 1: Write the proportion equation
203,695.15 : 285,763.70 = 203,695.15 : x - Step 2: Convert to fraction form
203,695.15/285,763.70 = 203,695.15/x - Step 3: Cross multiply
203,695.15x = 285,763.70 × 203,695.15 - Step 4: Simplify right side
203,695.15x = 58,208,679,736.06 - Step 5: Solve for x
x = 58,208,679,736.06/203,695.15 - Step 6: Final answer
x = 285,763.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.