Finding the Fourth Proportional to 215,943.24, 298,015.02 and 119,146.62
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Solution
The fourth proportional to 215,943.24, 298,015.02 and 119,146.62 is: 164,429.70
Step by Step Solution
- Step 1: Write the proportion equation
215,943.24 : 298,015.02 = 119,146.62 : x - Step 2: Convert to fraction form
215,943.24/298,015.02 = 119,146.62/x - Step 3: Cross multiply
215,943.24x = 298,015.02 × 119,146.62 - Step 4: Simplify right side
215,943.24x = 35,507,482,342.23 - Step 5: Solve for x
x = 35,507,482,342.23/215,943.24 - Step 6: Final answer
x = 164,429.70
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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.