Finding the Fourth Proportional to 157,657.60, 236,097.60 and 104,780.80
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Solution
The fourth proportional to 157,657.60, 236,097.60 and 104,780.80 is: 156,912.80
Step by Step Solution
- Step 1: Write the proportion equation
157,657.60 : 236,097.60 = 104,780.80 : x - Step 2: Convert to fraction form
157,657.60/236,097.60 = 104,780.80/x - Step 3: Cross multiply
157,657.60x = 236,097.60 × 104,780.80 - Step 4: Simplify right side
157,657.60x = 24,738,495,406.08 - Step 5: Solve for x
x = 24,738,495,406.08/157,657.60 - Step 6: Final answer
x = 156,912.80
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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.