Finding the Fourth Proportional to 231,329.58, 319,217.28 and 140,672.94
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Solution
The fourth proportional to 231,329.58, 319,217.28 and 140,672.94 is: 194,117.99
Step by Step Solution
- Step 1: Write the proportion equation
231,329.58 : 319,217.28 = 140,672.94 : x - Step 2: Convert to fraction form
231,329.58/319,217.28 = 140,672.94/x - Step 3: Cross multiply
231,329.58x = 319,217.28 × 140,672.94 - Step 4: Simplify right side
231,329.58x = 44,905,233,276.40 - Step 5: Solve for x
x = 44,905,233,276.40/231,329.58 - Step 6: Final answer
x = 194,117.99
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1.5x scale
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.