Finding the Fourth Proportional to 190,994.94, 263,580.36 and 104,957.55
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Solution
The fourth proportional to 190,994.94, 263,580.36 and 104,957.55 is: 144,845.45
Step by Step Solution
- Step 1: Write the proportion equation
190,994.94 : 263,580.36 = 104,957.55 : x - Step 2: Convert to fraction form
190,994.94/263,580.36 = 104,957.55/x - Step 3: Cross multiply
190,994.94x = 263,580.36 × 104,957.55 - Step 4: Simplify right side
190,994.94x = 27,664,748,813.72 - Step 5: Solve for x
x = 27,664,748,813.72/190,994.94 - Step 6: Final answer
x = 144,845.45
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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.