Finding the Fourth Proportional to 419,725.50, 579,204.29 and 228,734.79
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Solution
The fourth proportional to 419,725.50, 579,204.29 and 228,734.79 is: 315,644.80
Step by Step Solution
- Step 1: Write the proportion equation
419,725.50 : 579,204.29 = 228,734.79 : x - Step 2: Convert to fraction form
419,725.50/579,204.29 = 228,734.79/x - Step 3: Cross multiply
419,725.50x = 579,204.29 × 228,734.79 - Step 4: Simplify right side
419,725.50x = 132,484,168,753.44 - Step 5: Solve for x
x = 132,484,168,753.44/419,725.50 - Step 6: Final answer
x = 315,644.80
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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.