Finding the Fourth Proportional to 157,914.36, 236,927.43 and 98,680.68
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Solution
The fourth proportional to 157,914.36, 236,927.43 and 98,680.68 is: 148,055.95
Step by Step Solution
- Step 1: Write the proportion equation
157,914.36 : 236,927.43 = 98,680.68 : x - Step 2: Convert to fraction form
157,914.36/236,927.43 = 98,680.68/x - Step 3: Cross multiply
157,914.36x = 236,927.43 × 98,680.68 - Step 4: Simplify right side
157,914.36x = 23,380,159,903.05 - Step 5: Solve for x
x = 23,380,159,903.05/157,914.36 - Step 6: Final answer
x = 148,055.95
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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.