Finding the Fourth Proportional to 263,329.28, 392,968.98 and 235,335.68
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Solution
The fourth proportional to 263,329.28, 392,968.98 and 235,335.68 is: 351,193.84
Step by Step Solution
- Step 1: Write the proportion equation
263,329.28 : 392,968.98 = 235,335.68 : x - Step 2: Convert to fraction form
263,329.28/392,968.98 = 235,335.68/x - Step 3: Cross multiply
263,329.28x = 392,968.98 × 235,335.68 - Step 4: Simplify right side
263,329.28x = 92,479,622,127.21 - Step 5: Solve for x
x = 92,479,622,127.21/263,329.28 - Step 6: Final answer
x = 351,193.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.