Finding the Fourth Proportional to 228,509.35, 315,340.71 and 131,677.63
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Solution
The fourth proportional to 228,509.35, 315,340.71 and 131,677.63 is: 181,713.86
Step by Step Solution
- Step 1: Write the proportion equation
228,509.35 : 315,340.71 = 131,677.63 : x - Step 2: Convert to fraction form
228,509.35/315,340.71 = 131,677.63/x - Step 3: Cross multiply
228,509.35x = 315,340.71 × 131,677.63 - Step 4: Simplify right side
228,509.35x = 41,523,315,100.23 - Step 5: Solve for x
x = 41,523,315,100.23/228,509.35 - Step 6: Final answer
x = 181,713.86
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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.