Finding the Fourth Proportional to 220,329.09, 304,056.08 and 119,727.09
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Solution
The fourth proportional to 220,329.09, 304,056.08 and 119,727.09 is: 165,224.43
Step by Step Solution
- Step 1: Write the proportion equation
220,329.09 : 304,056.08 = 119,727.09 : x - Step 2: Convert to fraction form
220,329.09/304,056.08 = 119,727.09/x - Step 3: Cross multiply
220,329.09x = 304,056.08 × 119,727.09 - Step 4: Simplify right side
220,329.09x = 36,403,749,056.57 - Step 5: Solve for x
x = 36,403,749,056.57/220,329.09 - Step 6: Final answer
x = 165,224.43
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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.