Finding the Fourth Proportional to 215,334.39, 297,158.52 and 119,841.09
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Solution
The fourth proportional to 215,334.39, 297,158.52 and 119,841.09 is: 165,379.07
Step by Step Solution
- Step 1: Write the proportion equation
215,334.39 : 297,158.52 = 119,841.09 : x - Step 2: Convert to fraction form
215,334.39/297,158.52 = 119,841.09/x - Step 3: Cross multiply
215,334.39x = 297,158.52 × 119,841.09 - Step 4: Simplify right side
215,334.39x = 35,611,800,939.59 - Step 5: Solve for x
x = 35,611,800,939.59/215,334.39 - Step 6: Final answer
x = 165,379.07
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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.