Finding the Fourth Proportional to 221,813.44, 306,102.54 and 126,329.02
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Solution
The fourth proportional to 221,813.44, 306,102.54 and 126,329.02 is: 174,334.04
Step by Step Solution
- Step 1: Write the proportion equation
221,813.44 : 306,102.54 = 126,329.02 : x - Step 2: Convert to fraction form
221,813.44/306,102.54 = 126,329.02/x - Step 3: Cross multiply
221,813.44x = 306,102.54 × 126,329.02 - Step 4: Simplify right side
221,813.44x = 38,669,633,606.19 - Step 5: Solve for x
x = 38,669,633,606.19/221,813.44 - Step 6: Final answer
x = 174,334.04
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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.