Finding the Fourth Proportional to 155,893.94, 215,135.60 and 94,622.39
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Solution
The fourth proportional to 155,893.94, 215,135.60 and 94,622.39 is: 130,580.08
Step by Step Solution
- Step 1: Write the proportion equation
155,893.94 : 215,135.60 = 94,622.39 : x - Step 2: Convert to fraction form
155,893.94/215,135.60 = 94,622.39/x - Step 3: Cross multiply
155,893.94x = 215,135.60 × 94,622.39 - Step 4: Simplify right side
155,893.94x = 20,356,643,097.29 - Step 5: Solve for x
x = 20,356,643,097.29/155,893.94 - Step 6: Final answer
x = 130,580.08
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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.