Finding the Fourth Proportional to 454,937.80, 682,406.70 and 202,217.80
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Solution
The fourth proportional to 454,937.80, 682,406.70 and 202,217.80 is: 303,326.70
Step by Step Solution
- Step 1: Write the proportion equation
454,937.80 : 682,406.70 = 202,217.80 : x - Step 2: Convert to fraction form
454,937.80/682,406.70 = 202,217.80/x - Step 3: Cross multiply
454,937.80x = 682,406.70 × 202,217.80 - Step 4: Simplify right side
454,937.80x = 137,994,781,579.26 - Step 5: Solve for x
x = 137,994,781,579.26/454,937.80 - Step 6: Final answer
x = 303,326.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.