Finding the Fourth Proportional to 419,507.53, 578,877.24 and 235,716.91
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Solution
The fourth proportional to 419,507.53, 578,877.24 and 235,716.91 is: 325,265.09
Step by Step Solution
- Step 1: Write the proportion equation
419,507.53 : 578,877.24 = 235,716.91 : x - Step 2: Convert to fraction form
419,507.53/578,877.24 = 235,716.91/x - Step 3: Cross multiply
419,507.53x = 578,877.24 × 235,716.91 - Step 4: Simplify right side
419,507.53x = 136,451,154,282.13 - Step 5: Solve for x
x = 136,451,154,282.13/419,507.53 - Step 6: Final answer
x = 325,265.09
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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.