Finding the Fourth Proportional to 215,149.14, 296,901.60 and 119,653.80
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Solution
The fourth proportional to 215,149.14, 296,901.60 and 119,653.80 is: 165,119.90
Step by Step Solution
- Step 1: Write the proportion equation
215,149.14 : 296,901.60 = 119,653.80 : x - Step 2: Convert to fraction form
215,149.14/296,901.60 = 119,653.80/x - Step 3: Cross multiply
215,149.14x = 296,901.60 × 119,653.80 - Step 4: Simplify right side
215,149.14x = 35,525,404,666.08 - Step 5: Solve for x
x = 35,525,404,666.08/215,149.14 - Step 6: Final answer
x = 165,119.90
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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.