Finding the Fourth Proportional to 279,811.53, 419,714.19 and 167,523.12
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Solution
The fourth proportional to 279,811.53, 419,714.19 and 167,523.12 is: 251,282.82
Step by Step Solution
- Step 1: Write the proportion equation
279,811.53 : 419,714.19 = 167,523.12 : x - Step 2: Convert to fraction form
279,811.53/419,714.19 = 167,523.12/x - Step 3: Cross multiply
279,811.53x = 419,714.19 × 167,523.12 - Step 4: Simplify right side
279,811.53x = 70,311,830,617.07 - Step 5: Solve for x
x = 70,311,830,617.07/279,811.53 - Step 6: Final answer
x = 251,282.82
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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.