Finding the Fourth Proportional to 419,733.36, 579,232.56 and 228,746.96
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Solution
The fourth proportional to 419,733.36, 579,232.56 and 228,746.96 is: 315,671.09
Step by Step Solution
- Step 1: Write the proportion equation
419,733.36 : 579,232.56 = 228,746.96 : x - Step 2: Convert to fraction form
419,733.36/579,232.56 = 228,746.96/x - Step 3: Cross multiply
419,733.36x = 579,232.56 × 228,746.96 - Step 4: Simplify right side
419,733.36x = 132,497,687,233.02 - Step 5: Solve for x
x = 132,497,687,233.02/419,733.36 - Step 6: Final answer
x = 315,671.09
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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.