Finding the Fourth Proportional to 214,918.11, 296,586.16 and 118,128.38
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Solution
The fourth proportional to 214,918.11, 296,586.16 and 118,128.38 is: 163,016.70
Step by Step Solution
- Step 1: Write the proportion equation
214,918.11 : 296,586.16 = 118,128.38 : x - Step 2: Convert to fraction form
214,918.11/296,586.16 = 118,128.38/x - Step 3: Cross multiply
214,918.11x = 296,586.16 × 118,128.38 - Step 4: Simplify right side
214,918.11x = 35,035,240,832.97 - Step 5: Solve for x
x = 35,035,240,832.97/214,918.11 - Step 6: Final answer
x = 163,016.70
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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.