Finding the Fourth Proportional to 299,675.86, 449,512.17 and 122,182.18
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Solution
The fourth proportional to 299,675.86, 449,512.17 and 122,182.18 is: 183,272.61
Step by Step Solution
- Step 1: Write the proportion equation
299,675.86 : 449,512.17 = 122,182.18 : x - Step 2: Convert to fraction form
299,675.86/449,512.17 = 122,182.18/x - Step 3: Cross multiply
299,675.86x = 449,512.17 × 122,182.18 - Step 4: Simplify right side
299,675.86x = 54,922,376,867.13 - Step 5: Solve for x
x = 54,922,376,867.13/299,675.86 - Step 6: Final answer
x = 183,272.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.