Finding the Fourth Proportional to 695,336.16, 1,042,995.44 and 222,015.52
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Solution
The fourth proportional to 695,336.16, 1,042,995.44 and 222,015.52 is: 333,020.47
Step by Step Solution
- Step 1: Write the proportion equation
695,336.16 : 1,042,995.44 = 222,015.52 : x - Step 2: Convert to fraction form
695,336.16/1,042,995.44 = 222,015.52/x - Step 3: Cross multiply
695,336.16x = 1,042,995.44 × 222,015.52 - Step 4: Simplify right side
695,336.16x = 231,561,174,969.23 - Step 5: Solve for x
x = 231,561,174,969.23/695,336.16 - Step 6: Final answer
x = 333,020.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.