Finding the Fourth Proportional to 169,781.36, 234,296.91 and 92,256.33
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Solution
The fourth proportional to 169,781.36, 234,296.91 and 92,256.33 is: 127,312.99
Step by Step Solution
- Step 1: Write the proportion equation
169,781.36 : 234,296.91 = 92,256.33 : x - Step 2: Convert to fraction form
169,781.36/234,296.91 = 92,256.33/x - Step 3: Cross multiply
169,781.36x = 234,296.91 × 92,256.33 - Step 4: Simplify right side
169,781.36x = 21,615,373,046.94 - Step 5: Solve for x
x = 21,615,373,046.94/169,781.36 - Step 6: Final answer
x = 127,312.99
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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.