Finding the Fourth Proportional to 255,918.80, 382,852.92 and 221,232.08
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Solution
The fourth proportional to 255,918.80, 382,852.92 and 221,232.08 is: 330,961.80
Step by Step Solution
- Step 1: Write the proportion equation
255,918.80 : 382,852.92 = 221,232.08 : x - Step 2: Convert to fraction form
255,918.80/382,852.92 = 221,232.08/x - Step 3: Cross multiply
255,918.80x = 382,852.92 × 221,232.08 - Step 4: Simplify right side
255,918.80x = 84,699,347,825.67 - Step 5: Solve for x
x = 84,699,347,825.67/255,918.80 - Step 6: Final answer
x = 330,961.80
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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.