Finding the Fourth Proportional to 356,649.58, 531,258.44 and 337,716.91
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Solution
The fourth proportional to 356,649.58, 531,258.44 and 337,716.91 is: 503,056.69
Step by Step Solution
- Step 1: Write the proportion equation
356,649.58 : 531,258.44 = 337,716.91 : x - Step 2: Convert to fraction form
356,649.58/531,258.44 = 337,716.91/x - Step 3: Cross multiply
356,649.58x = 531,258.44 × 337,716.91 - Step 4: Simplify right side
356,649.58x = 179,414,958,768.22 - Step 5: Solve for x
x = 179,414,958,768.22/356,649.58 - Step 6: Final answer
x = 503,056.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.