Finding the Fourth Proportional to 178,257.50, 245,995.35 and 106,640.54
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Solution
The fourth proportional to 178,257.50, 245,995.35 and 106,640.54 is: 147,163.95
Step by Step Solution
- Step 1: Write the proportion equation
178,257.50 : 245,995.35 = 106,640.54 : x - Step 2: Convert to fraction form
178,257.50/245,995.35 = 106,640.54/x - Step 3: Cross multiply
178,257.50x = 245,995.35 × 106,640.54 - Step 4: Simplify right side
178,257.50x = 26,233,076,961.49 - Step 5: Solve for x
x = 26,233,076,961.49/178,257.50 - Step 6: Final answer
x = 147,163.95
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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.