Finding the Fourth Proportional to 214,580.19, 296,090.37 and 128,519.01
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Solution
The fourth proportional to 214,580.19, 296,090.37 and 128,519.01 is: 177,338.09
Step by Step Solution
- Step 1: Write the proportion equation
214,580.19 : 296,090.37 = 128,519.01 : x - Step 2: Convert to fraction form
214,580.19/296,090.37 = 128,519.01/x - Step 3: Cross multiply
214,580.19x = 296,090.37 × 128,519.01 - Step 4: Simplify right side
214,580.19x = 38,053,241,222.93 - Step 5: Solve for x
x = 38,053,241,222.93/214,580.19 - Step 6: Final answer
x = 177,338.09
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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.