Finding the Fourth Proportional to 393,370.06, 542,936.64 and 250,102.12
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Solution
The fourth proportional to 393,370.06, 542,936.64 and 250,102.12 is: 345,195.58
Step by Step Solution
- Step 1: Write the proportion equation
393,370.06 : 542,936.64 = 250,102.12 : x - Step 2: Convert to fraction form
393,370.06/542,936.64 = 250,102.12/x - Step 3: Cross multiply
393,370.06x = 542,936.64 × 250,102.12 - Step 4: Simplify right side
393,370.06x = 135,789,604,689.68 - Step 5: Solve for x
x = 135,789,604,689.68/393,370.06 - Step 6: Final answer
x = 345,195.58
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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.