Finding the Fourth Proportional to 313,121.36, 432,108.26 and 169,881.36
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Solution
The fourth proportional to 313,121.36, 432,108.26 and 169,881.36 is: 234,436.70
Step by Step Solution
- Step 1: Write the proportion equation
313,121.36 : 432,108.26 = 169,881.36 : x - Step 2: Convert to fraction form
313,121.36/432,108.26 = 169,881.36/x - Step 3: Cross multiply
313,121.36x = 432,108.26 × 169,881.36 - Step 4: Simplify right side
313,121.36x = 73,407,138,026.63 - Step 5: Solve for x
x = 73,407,138,026.63/313,121.36 - Step 6: Final answer
x = 234,436.70
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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.