Finding the Fourth Proportional to 215,448.42, 297,328.02 and 119,955.09
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Solution
The fourth proportional to 215,448.42, 297,328.02 and 119,955.09 is: 165,543.15
Step by Step Solution
- Step 1: Write the proportion equation
215,448.42 : 297,328.02 = 119,955.09 : x - Step 2: Convert to fraction form
215,448.42/297,328.02 = 119,955.09/x - Step 3: Cross multiply
215,448.42x = 297,328.02 × 119,955.09 - Step 4: Simplify right side
215,448.42x = 35,666,010,063.77 - Step 5: Solve for x
x = 35,666,010,063.77/215,448.42 - Step 6: Final answer
x = 165,543.15
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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.