Finding the Fourth Proportional to 455,243.64, 628,236.33 and 251,294.67
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Solution
The fourth proportional to 455,243.64, 628,236.33 and 251,294.67 is: 346,786.70
Step by Step Solution
- Step 1: Write the proportion equation
455,243.64 : 628,236.33 = 251,294.67 : x - Step 2: Convert to fraction form
455,243.64/628,236.33 = 251,294.67/x - Step 3: Cross multiply
455,243.64x = 628,236.33 × 251,294.67 - Step 4: Simplify right side
455,243.64x = 157,872,441,229.36 - Step 5: Solve for x
x = 157,872,441,229.36/455,243.64 - Step 6: Final answer
x = 346,786.70
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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.