Finding the Fourth Proportional to 174,632.62, 261,950.76 and 139,793.74
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Solution
The fourth proportional to 174,632.62, 261,950.76 and 139,793.74 is: 209,692.07
Step by Step Solution
- Step 1: Write the proportion equation
174,632.62 : 261,950.76 = 139,793.74 : x - Step 2: Convert to fraction form
174,632.62/261,950.76 = 139,793.74/x - Step 3: Cross multiply
174,632.62x = 261,950.76 × 139,793.74 - Step 4: Simplify right side
174,632.62x = 36,619,076,436.24 - Step 5: Solve for x
x = 36,619,076,436.24/174,632.62 - Step 6: Final answer
x = 209,692.07
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1.5x scale
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.