Finding the Fourth Proportional to 231,232.79, 319,154.58 and 150,519.74
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Solution
The fourth proportional to 231,232.79, 319,154.58 and 150,519.74 is: 207,751.95
Step by Step Solution
- Step 1: Write the proportion equation
231,232.79 : 319,154.58 = 150,519.74 : x - Step 2: Convert to fraction form
231,232.79/319,154.58 = 150,519.74/x - Step 3: Cross multiply
231,232.79x = 319,154.58 × 150,519.74 - Step 4: Simplify right side
231,232.79x = 48,039,062,805.64 - Step 5: Solve for x
x = 48,039,062,805.64/231,232.79 - Step 6: Final answer
x = 207,751.95
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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.