Finding the Fourth Proportional to 221,973.60, 306,343.58 and 126,511.05
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Solution
The fourth proportional to 221,973.60, 306,343.58 and 126,511.05 is: 174,596.65
Step by Step Solution
- Step 1: Write the proportion equation
221,973.60 : 306,343.58 = 126,511.05 : x - Step 2: Convert to fraction form
221,973.60/306,343.58 = 126,511.05/x - Step 3: Cross multiply
221,973.60x = 306,343.58 × 126,511.05 - Step 4: Simplify right side
221,973.60x = 38,755,847,966.56 - Step 5: Solve for x
x = 38,755,847,966.56/221,973.60 - Step 6: Final answer
x = 174,596.65
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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.