Finding the Fourth Proportional to 174,331.80, 261,497.70 and 47,971.80
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Solution
The fourth proportional to 174,331.80, 261,497.70 and 47,971.80 is: 71,957.70
Step by Step Solution
- Step 1: Write the proportion equation
174,331.80 : 261,497.70 = 47,971.80 : x - Step 2: Convert to fraction form
174,331.80/261,497.70 = 47,971.80/x - Step 3: Cross multiply
174,331.80x = 261,497.70 × 47,971.80 - Step 4: Simplify right side
174,331.80x = 12,544,515,364.86 - Step 5: Solve for x
x = 12,544,515,364.86/174,331.80 - Step 6: Final answer
x = 71,957.70
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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.