Finding the Fourth Proportional to 264,828.26, 397,242.58 and 77,970.98
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Solution
The fourth proportional to 264,828.26, 397,242.58 and 77,970.98 is: 116,956.53
Step by Step Solution
- Step 1: Write the proportion equation
264,828.26 : 397,242.58 = 77,970.98 : x - Step 2: Convert to fraction form
264,828.26/397,242.58 = 77,970.98/x - Step 3: Cross multiply
264,828.26x = 397,242.58 × 77,970.98 - Step 4: Simplify right side
264,828.26x = 30,973,393,260.33 - Step 5: Solve for x
x = 30,973,393,260.33/264,828.26 - Step 6: Final answer
x = 116,956.53
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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.