Finding the Fourth Proportional to 248,071.44, 342,364.02 and 146,129.00
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Solution
The fourth proportional to 248,071.44, 342,364.02 and 146,129.00 is: 201,672.99
Step by Step Solution
- Step 1: Write the proportion equation
248,071.44 : 342,364.02 = 146,129.00 : x - Step 2: Convert to fraction form
248,071.44/342,364.02 = 146,129.00/x - Step 3: Cross multiply
248,071.44x = 342,364.02 × 146,129.00 - Step 4: Simplify right side
248,071.44x = 50,029,309,618.78 - Step 5: Solve for x
x = 50,029,309,618.78/248,071.44 - Step 6: Final answer
x = 201,672.99
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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.