Finding the Fourth Proportional to 178,632.20, 268,000.93 and 71,961.26
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Solution
The fourth proportional to 178,632.20, 268,000.93 and 71,961.26 is: 107,963.09
Step by Step Solution
- Step 1: Write the proportion equation
178,632.20 : 268,000.93 = 71,961.26 : x - Step 2: Convert to fraction form
178,632.20/268,000.93 = 71,961.26/x - Step 3: Cross multiply
178,632.20x = 268,000.93 × 71,961.26 - Step 4: Simplify right side
178,632.20x = 19,285,684,603.97 - Step 5: Solve for x
x = 19,285,684,603.97/178,632.20 - Step 6: Final answer
x = 107,963.09
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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.