Finding the Fourth Proportional to 419,726.62, 579,205.84 and 228,735.91
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Solution
The fourth proportional to 419,726.62, 579,205.84 and 228,735.91 is: 315,646.35
Step by Step Solution
- Step 1: Write the proportion equation
419,726.62 : 579,205.84 = 228,735.91 : x - Step 2: Convert to fraction form
419,726.62/579,205.84 = 228,735.91/x - Step 3: Cross multiply
419,726.62x = 579,205.84 × 228,735.91 - Step 4: Simplify right side
419,726.62x = 132,485,175,470.76 - Step 5: Solve for x
x = 132,485,175,470.76/419,726.62 - Step 6: Final answer
x = 315,646.35
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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.