Finding the Fourth Proportional to 261,672.09, 361,116.19 and 146,970.91
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Solution
The fourth proportional to 261,672.09, 361,116.19 and 146,970.91 is: 202,824.75
Step by Step Solution
- Step 1: Write the proportion equation
261,672.09 : 361,116.19 = 146,970.91 : x - Step 2: Convert to fraction form
261,672.09/361,116.19 = 146,970.91/x - Step 3: Cross multiply
261,672.09x = 361,116.19 × 146,970.91 - Step 4: Simplify right side
261,672.09x = 53,073,575,060.03 - Step 5: Solve for x
x = 53,073,575,060.03/261,672.09 - Step 6: Final answer
x = 202,824.75
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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.