Finding the Fourth Proportional to 183,261.88, 252,641.20 and 134,778.12
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Solution
The fourth proportional to 183,261.88, 252,641.20 and 134,778.12 is: 185,802.45
Step by Step Solution
- Step 1: Write the proportion equation
183,261.88 : 252,641.20 = 134,778.12 : x - Step 2: Convert to fraction form
183,261.88/252,641.20 = 134,778.12/x - Step 3: Cross multiply
183,261.88x = 252,641.20 × 134,778.12 - Step 4: Simplify right side
183,261.88x = 34,050,505,970.54 - Step 5: Solve for x
x = 34,050,505,970.54/183,261.88 - Step 6: Final answer
x = 185,802.45
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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.