Finding the Fourth Proportional to 419,472.03, 628,035.49 and 226,655.63
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Solution
The fourth proportional to 419,472.03, 628,035.49 and 226,655.63 is: 339,349.88
Step by Step Solution
- Step 1: Write the proportion equation
419,472.03 : 628,035.49 = 226,655.63 : x - Step 2: Convert to fraction form
419,472.03/628,035.49 = 226,655.63/x - Step 3: Cross multiply
419,472.03x = 628,035.49 × 226,655.63 - Step 4: Simplify right side
419,472.03x = 142,347,779,648.31 - Step 5: Solve for x
x = 142,347,779,648.31/419,472.03 - Step 6: Final answer
x = 339,349.88
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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.