Finding the Fourth Proportional to 419,727.76, 579,207.48 and 228,737.08
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Solution
The fourth proportional to 419,727.76, 579,207.48 and 228,737.08 is: 315,648.00
Step by Step Solution
- Step 1: Write the proportion equation
419,727.76 : 579,207.48 = 228,737.08 : x - Step 2: Convert to fraction form
419,727.76/579,207.48 = 228,737.08/x - Step 3: Cross multiply
419,727.76x = 579,207.48 × 228,737.08 - Step 4: Simplify right side
419,727.76x = 132,486,227,689.36 - Step 5: Solve for x
x = 132,486,227,689.36/419,727.76 - Step 6: Final answer
x = 315,648.00
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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.