Finding the Fourth Proportional to 505,680.18, 697,838.61 and 279,325.68
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Solution
The fourth proportional to 505,680.18, 697,838.61 and 279,325.68 is: 385,469.42
Step by Step Solution
- Step 1: Write the proportion equation
505,680.18 : 697,838.61 = 279,325.68 : x - Step 2: Convert to fraction form
505,680.18/697,838.61 = 279,325.68/x - Step 3: Cross multiply
505,680.18x = 697,838.61 × 279,325.68 - Step 4: Simplify right side
505,680.18x = 194,924,244,268.51 - Step 5: Solve for x
x = 194,924,244,268.51/505,680.18 - Step 6: Final answer
x = 385,469.42
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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.