Finding the Fourth Proportional to 221,700.10, 332,550.15 and 133,053.70
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Solution
The fourth proportional to 221,700.10, 332,550.15 and 133,053.70 is: 199,580.55
Step by Step Solution
- Step 1: Write the proportion equation
221,700.10 : 332,550.15 = 133,053.70 : x - Step 2: Convert to fraction form
221,700.10/332,550.15 = 133,053.70/x - Step 3: Cross multiply
221,700.10x = 332,550.15 × 133,053.70 - Step 4: Simplify right side
221,700.10x = 44,247,027,893.06 - Step 5: Solve for x
x = 44,247,027,893.06/221,700.10 - Step 6: Final answer
x = 199,580.55
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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.