Finding the Fourth Proportional to 186,079.54, 279,006.93 and 83,478.08
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Solution
The fourth proportional to 186,079.54, 279,006.93 and 83,478.08 is: 125,166.70
Step by Step Solution
- Step 1: Write the proportion equation
186,079.54 : 279,006.93 = 83,478.08 : x - Step 2: Convert to fraction form
186,079.54/279,006.93 = 83,478.08/x - Step 3: Cross multiply
186,079.54x = 279,006.93 × 83,478.08 - Step 4: Simplify right side
186,079.54x = 23,290,961,010.67 - Step 5: Solve for x
x = 23,290,961,010.67/186,079.54 - Step 6: Final answer
x = 125,166.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.