Finding the Fourth Proportional to 478,662.49, 660,552.07 and 263,802.09
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Solution
The fourth proportional to 478,662.49, 660,552.07 and 263,802.09 is: 364,045.69
Step by Step Solution
- Step 1: Write the proportion equation
478,662.49 : 660,552.07 = 263,802.09 : x - Step 2: Convert to fraction form
478,662.49/660,552.07 = 263,802.09/x - Step 3: Cross multiply
478,662.49x = 660,552.07 × 263,802.09 - Step 4: Simplify right side
478,662.49x = 174,255,016,619.83 - Step 5: Solve for x
x = 174,255,016,619.83/478,662.49 - Step 6: Final answer
x = 364,045.69
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1.5x scale
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.