Finding the Fourth Proportional to 393,602.44, 542,985.24 and 232,349.80
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Solution
The fourth proportional to 393,602.44, 542,985.24 and 232,349.80 is: 320,532.85
Step by Step Solution
- Step 1: Write the proportion equation
393,602.44 : 542,985.24 = 232,349.80 : x - Step 2: Convert to fraction form
393,602.44/542,985.24 = 232,349.80/x - Step 3: Cross multiply
393,602.44x = 542,985.24 × 232,349.80 - Step 4: Simplify right side
393,602.44x = 126,162,511,916.95 - Step 5: Solve for x
x = 126,162,511,916.95/393,602.44 - Step 6: Final answer
x = 320,532.85
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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.