Finding the Fourth Proportional to 393,257.74, 542,680.04 and 232,164.68
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Solution
The fourth proportional to 393,257.74, 542,680.04 and 232,164.68 is: 320,378.02
Step by Step Solution
- Step 1: Write the proportion equation
393,257.74 : 542,680.04 = 232,164.68 : x - Step 2: Convert to fraction form
393,257.74/542,680.04 = 232,164.68/x - Step 3: Cross multiply
393,257.74x = 542,680.04 × 232,164.68 - Step 4: Simplify right side
393,257.74x = 125,991,135,696.00 - Step 5: Solve for x
x = 125,991,135,696.00/393,257.74 - Step 6: Final answer
x = 320,378.02
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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.