Finding the Fourth Proportional to 253,929.42, 350,409.12 and 146,493.06
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Solution
The fourth proportional to 253,929.42, 350,409.12 and 146,493.06 is: 202,152.65
Step by Step Solution
- Step 1: Write the proportion equation
253,929.42 : 350,409.12 = 146,493.06 : x - Step 2: Convert to fraction form
253,929.42/350,409.12 = 146,493.06/x - Step 3: Cross multiply
253,929.42x = 350,409.12 × 146,493.06 - Step 4: Simplify right side
253,929.42x = 51,332,504,240.71 - Step 5: Solve for x
x = 51,332,504,240.71/253,929.42 - Step 6: Final answer
x = 202,152.65
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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.