Finding the Fourth Proportional to 157,940.08, 217,887.37 and 94,241.07
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Solution
The fourth proportional to 157,940.08, 217,887.37 and 94,241.07 is: 130,010.94
Step by Step Solution
- Step 1: Write the proportion equation
157,940.08 : 217,887.37 = 94,241.07 : x - Step 2: Convert to fraction form
157,940.08/217,887.37 = 94,241.07/x - Step 3: Cross multiply
157,940.08x = 217,887.37 × 94,241.07 - Step 4: Simplify right side
157,940.08x = 20,533,938,652.68 - Step 5: Solve for x
x = 20,533,938,652.68/157,940.08 - Step 6: Final answer
x = 130,010.94
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1.5x scale
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.