Finding the Fourth Proportional to 221,324.60, 331,943.70 and 73,580.60
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Solution
The fourth proportional to 221,324.60, 331,943.70 and 73,580.60 is: 110,356.54
Step by Step Solution
- Step 1: Write the proportion equation
221,324.60 : 331,943.70 = 73,580.60 : x - Step 2: Convert to fraction form
221,324.60/331,943.70 = 73,580.60/x - Step 3: Cross multiply
221,324.60x = 331,943.70 × 73,580.60 - Step 4: Simplify right side
221,324.60x = 24,424,616,612.22 - Step 5: Solve for x
x = 24,424,616,612.22/221,324.60 - Step 6: Final answer
x = 110,356.54
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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.