Finding the Fourth Proportional to 231,575.19, 319,573.76 and 125,591.19
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Solution
The fourth proportional to 231,575.19, 319,573.76 and 125,591.19 is: 173,315.84
Step by Step Solution
- Step 1: Write the proportion equation
231,575.19 : 319,573.76 = 125,591.19 : x - Step 2: Convert to fraction form
231,575.19/319,573.76 = 125,591.19/x - Step 3: Cross multiply
231,575.19x = 319,573.76 × 125,591.19 - Step 4: Simplify right side
231,575.19x = 40,135,648,811.17 - Step 5: Solve for x
x = 40,135,648,811.17/231,575.19 - Step 6: Final answer
x = 173,315.84
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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.