Finding the Fourth Proportional to 393,114.31, 542,460.26 and 229,808.99
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Solution
The fourth proportional to 393,114.31, 542,460.26 and 229,808.99 is: 317,114.50
Step by Step Solution
- Step 1: Write the proportion equation
393,114.31 : 542,460.26 = 229,808.99 : x - Step 2: Convert to fraction form
393,114.31/542,460.26 = 229,808.99/x - Step 3: Cross multiply
393,114.31x = 542,460.26 × 229,808.99 - Step 4: Simplify right side
393,114.31x = 124,662,246,396.41 - Step 5: Solve for x
x = 124,662,246,396.41/393,114.31 - Step 6: Final answer
x = 317,114.50
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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.