Finding the Fourth Proportional to 220,090.08, 303,725.58 and 129,449.88
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Solution
The fourth proportional to 220,090.08, 303,725.58 and 129,449.88 is: 178,641.58
Step by Step Solution
- Step 1: Write the proportion equation
220,090.08 : 303,725.58 = 129,449.88 : x - Step 2: Convert to fraction form
220,090.08/303,725.58 = 129,449.88/x - Step 3: Cross multiply
220,090.08x = 303,725.58 × 129,449.88 - Step 4: Simplify right side
220,090.08x = 39,317,239,883.93 - Step 5: Solve for x
x = 39,317,239,883.93/220,090.08 - Step 6: Final answer
x = 178,641.58
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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.