Finding the Fourth Proportional to 419,809.87, 579,331.74 and 228,824.02
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Solution
The fourth proportional to 419,809.87, 579,331.74 and 228,824.02 is: 315,773.94
Step by Step Solution
- Step 1: Write the proportion equation
419,809.87 : 579,331.74 = 228,824.02 : x - Step 2: Convert to fraction form
419,809.87/579,331.74 = 228,824.02/x - Step 3: Cross multiply
419,809.87x = 579,331.74 × 228,824.02 - Step 4: Simplify right side
419,809.87x = 132,565,017,660.40 - Step 5: Solve for x
x = 132,565,017,660.40/419,809.87 - Step 6: Final answer
x = 315,773.94
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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.