Finding the Fourth Proportional to 228,161.19, 314,859.63 and 126,184.79
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Solution
The fourth proportional to 228,161.19, 314,859.63 and 126,184.79 is: 174,133.45
Step by Step Solution
- Step 1: Write the proportion equation
228,161.19 : 314,859.63 = 126,184.79 : x - Step 2: Convert to fraction form
228,161.19/314,859.63 = 126,184.79/x - Step 3: Cross multiply
228,161.19x = 314,859.63 × 126,184.79 - Step 4: Simplify right side
228,161.19x = 39,730,494,716.73 - Step 5: Solve for x
x = 39,730,494,716.73/228,161.19 - Step 6: Final answer
x = 174,133.45
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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.