Finding the Fourth Proportional to 221,733.96, 306,047.55 and 126,297.06
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Solution
The fourth proportional to 221,733.96, 306,047.55 and 126,297.06 is: 174,321.09
Step by Step Solution
- Step 1: Write the proportion equation
221,733.96 : 306,047.55 = 126,297.06 : x - Step 2: Convert to fraction form
221,733.96/306,047.55 = 126,297.06/x - Step 3: Cross multiply
221,733.96x = 306,047.55 × 126,297.06 - Step 4: Simplify right side
221,733.96x = 38,652,905,785.20 - Step 5: Solve for x
x = 38,652,905,785.20/221,733.96 - Step 6: Final answer
x = 174,321.09
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1.5x scale
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.