Finding the Fourth Proportional to 273,638.88, 377,659.43 and 152,787.99
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Solution
The fourth proportional to 273,638.88, 377,659.43 and 152,787.99 is: 210,868.52
Step by Step Solution
- Step 1: Write the proportion equation
273,638.88 : 377,659.43 = 152,787.99 : x - Step 2: Convert to fraction form
273,638.88/377,659.43 = 152,787.99/x - Step 3: Cross multiply
273,638.88x = 377,659.43 × 152,787.99 - Step 4: Simplify right side
273,638.88x = 57,701,826,439.48 - Step 5: Solve for x
x = 57,701,826,439.48/273,638.88 - Step 6: Final answer
x = 210,868.52
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1.5x scale
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.