Finding the Fourth Proportional to 393,256.98, 542,679.01 and 232,163.93
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Solution
The fourth proportional to 393,256.98, 542,679.01 and 232,163.93 is: 320,376.99
Step by Step Solution
- Step 1: Write the proportion equation
393,256.98 : 542,679.01 = 232,163.93 : x - Step 2: Convert to fraction form
393,256.98/542,679.01 = 232,163.93/x - Step 3: Cross multiply
393,256.98x = 542,679.01 × 232,163.93 - Step 4: Simplify right side
393,256.98x = 125,990,488,396.30 - Step 5: Solve for x
x = 125,990,488,396.30/393,256.98 - Step 6: Final answer
x = 320,376.99
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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.