Finding the Fourth Proportional to 215,995.88, 298,070.14 and 119,208.84
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Solution
The fourth proportional to 215,995.88, 298,070.14 and 119,208.84 is: 164,505.90
Step by Step Solution
- Step 1: Write the proportion equation
215,995.88 : 298,070.14 = 119,208.84 : x - Step 2: Convert to fraction form
215,995.88/298,070.14 = 119,208.84/x - Step 3: Cross multiply
215,995.88x = 298,070.14 × 119,208.84 - Step 4: Simplify right side
215,995.88x = 35,532,595,628.04 - Step 5: Solve for x
x = 35,532,595,628.04/215,995.88 - Step 6: Final answer
x = 164,505.90
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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.