Finding the Fourth Proportional to 196,357.53, 294,539.25 and 74,784.79
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Solution
The fourth proportional to 196,357.53, 294,539.25 and 74,784.79 is: 112,178.31
Step by Step Solution
- Step 1: Write the proportion equation
196,357.53 : 294,539.25 = 74,784.79 : x - Step 2: Convert to fraction form
196,357.53/294,539.25 = 74,784.79/x - Step 3: Cross multiply
196,357.53x = 294,539.25 × 74,784.79 - Step 4: Simplify right side
196,357.53x = 22,027,055,958.01 - Step 5: Solve for x
x = 22,027,055,958.01/196,357.53 - Step 6: Final answer
x = 112,178.31
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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.