Finding the Fourth Proportional to 419,737.53, 579,223.13 and 228,747.09
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Solution
The fourth proportional to 419,737.53, 579,223.13 and 228,747.09 is: 315,662.99
Step by Step Solution
- Step 1: Write the proportion equation
419,737.53 : 579,223.13 = 228,747.09 : x - Step 2: Convert to fraction form
419,737.53/579,223.13 = 228,747.09/x - Step 3: Cross multiply
419,737.53x = 579,223.13 × 228,747.09 - Step 4: Simplify right side
419,737.53x = 132,495,604,304.46 - Step 5: Solve for x
x = 132,495,604,304.46/419,737.53 - Step 6: Final answer
x = 315,662.99
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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.