Finding the Fourth Proportional to 171,731.16, 236,715.17 and 135,373.31
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Solution
The fourth proportional to 171,731.16, 236,715.17 and 135,373.31 is: 186,599.32
Step by Step Solution
- Step 1: Write the proportion equation
171,731.16 : 236,715.17 = 135,373.31 : x - Step 2: Convert to fraction form
171,731.16/236,715.17 = 135,373.31/x - Step 3: Cross multiply
171,731.16x = 236,715.17 × 135,373.31 - Step 4: Simplify right side
171,731.16x = 32,044,917,020.33 - Step 5: Solve for x
x = 32,044,917,020.33/171,731.16 - Step 6: Final answer
x = 186,599.32
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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.