Finding the Fourth Proportional to 319,525.24, 440,866.06 and 195,314.88
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Solution
The fourth proportional to 319,525.24, 440,866.06 and 195,314.88 is: 269,486.38
Step by Step Solution
- Step 1: Write the proportion equation
319,525.24 : 440,866.06 = 195,314.88 : x - Step 2: Convert to fraction form
319,525.24/440,866.06 = 195,314.88/x - Step 3: Cross multiply
319,525.24x = 440,866.06 × 195,314.88 - Step 4: Simplify right side
319,525.24x = 86,107,701,604.97 - Step 5: Solve for x
x = 86,107,701,604.97/319,525.24 - Step 6: Final answer
x = 269,486.38
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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.