Finding the Fourth Proportional to 232,780.36, 321,160.26 and 135,961.96
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Solution
The fourth proportional to 232,780.36, 321,160.26 and 135,961.96 is: 187,582.74
Step by Step Solution
- Step 1: Write the proportion equation
232,780.36 : 321,160.26 = 135,961.96 : x - Step 2: Convert to fraction form
232,780.36/321,160.26 = 135,961.96/x - Step 3: Cross multiply
232,780.36x = 321,160.26 × 135,961.96 - Step 4: Simplify right side
232,780.36x = 43,665,578,423.71 - Step 5: Solve for x
x = 43,665,578,423.71/232,780.36 - Step 6: Final answer
x = 187,582.74
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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.