Finding the Fourth Proportional to 214,241.11, 295,448.79 and 128,186.31
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Solution
The fourth proportional to 214,241.11, 295,448.79 and 128,186.31 is: 176,775.08
Step by Step Solution
- Step 1: Write the proportion equation
214,241.11 : 295,448.79 = 128,186.31 : x - Step 2: Convert to fraction form
214,241.11/295,448.79 = 128,186.31/x - Step 3: Cross multiply
214,241.11x = 295,448.79 × 128,186.31 - Step 4: Simplify right side
214,241.11x = 37,872,490,184.06 - Step 5: Solve for x
x = 37,872,490,184.06/214,241.11 - Step 6: Final answer
x = 176,775.08
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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.