Finding the Fourth Proportional to 157,517.44, 236,275.68 and 39,188.76
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Solution
The fourth proportional to 157,517.44, 236,275.68 and 39,188.76 is: 58,783.02
Step by Step Solution
- Step 1: Write the proportion equation
157,517.44 : 236,275.68 = 39,188.76 : x - Step 2: Convert to fraction form
157,517.44/236,275.68 = 39,188.76/x - Step 3: Cross multiply
157,517.44x = 236,275.68 × 39,188.76 - Step 4: Simplify right side
157,517.44x = 9,259,350,917.36 - Step 5: Solve for x
x = 9,259,350,917.36/157,517.44 - Step 6: Final answer
x = 58,783.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.