Finding the Fourth Proportional to 419,269.76, 578,593.63 and 228,284.31
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Solution
The fourth proportional to 419,269.76, 578,593.63 and 228,284.31 is: 315,033.09
Step by Step Solution
- Step 1: Write the proportion equation
419,269.76 : 578,593.63 = 228,284.31 : x - Step 2: Convert to fraction form
419,269.76/578,593.63 = 228,284.31/x - Step 3: Cross multiply
419,269.76x = 578,593.63 × 228,284.31 - Step 4: Simplify right side
419,269.76x = 132,083,847,594.95 - Step 5: Solve for x
x = 132,083,847,594.95/419,269.76 - Step 6: Final answer
x = 315,033.09
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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.