Finding the Fourth Proportional to 399,550.18, 551,396.01 and 229,784.44
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Solution
The fourth proportional to 399,550.18, 551,396.01 and 229,784.44 is: 317,112.17
Step by Step Solution
- Step 1: Write the proportion equation
399,550.18 : 551,396.01 = 229,784.44 : x - Step 2: Convert to fraction form
399,550.18/551,396.01 = 229,784.44/x - Step 3: Cross multiply
399,550.18x = 551,396.01 × 229,784.44 - Step 4: Simplify right side
399,550.18x = 126,702,223,376.08 - Step 5: Solve for x
x = 126,702,223,376.08/399,550.18 - Step 6: Final answer
x = 317,112.17
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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.