Finding the Fourth Proportional to 171,434.24, 236,581.75 and 98,835.88
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Solution
The fourth proportional to 171,434.24, 236,581.75 and 98,835.88 is: 136,394.96
Step by Step Solution
- Step 1: Write the proportion equation
171,434.24 : 236,581.75 = 98,835.88 : x - Step 2: Convert to fraction form
171,434.24/236,581.75 = 98,835.88/x - Step 3: Cross multiply
171,434.24x = 236,581.75 × 98,835.88 - Step 4: Simplify right side
171,434.24x = 23,382,765,453.19 - Step 5: Solve for x
x = 23,382,765,453.19/171,434.24 - Step 6: Final answer
x = 136,394.96
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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.