Finding the Fourth Proportional to 169,879.09, 234,419.11 and 98,263.75
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Solution
The fourth proportional to 169,879.09, 234,419.11 and 98,263.75 is: 135,595.86
Step by Step Solution
- Step 1: Write the proportion equation
169,879.09 : 234,419.11 = 98,263.75 : x - Step 2: Convert to fraction form
169,879.09/234,419.11 = 98,263.75/x - Step 3: Cross multiply
169,879.09x = 234,419.11 × 98,263.75 - Step 4: Simplify right side
169,879.09x = 23,034,900,820.26 - Step 5: Solve for x
x = 23,034,900,820.26/169,879.09 - Step 6: Final answer
x = 135,595.86
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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.