Finding the Fourth Proportional to 454,803.80, 682,205.70 and 155,257.70
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Solution
The fourth proportional to 454,803.80, 682,205.70 and 155,257.70 is: 232,886.55
Step by Step Solution
- Step 1: Write the proportion equation
454,803.80 : 682,205.70 = 155,257.70 : x - Step 2: Convert to fraction form
454,803.80/682,205.70 = 155,257.70/x - Step 3: Cross multiply
454,803.80x = 682,205.70 × 155,257.70 - Step 4: Simplify right side
454,803.80x = 105,917,687,908.89 - Step 5: Solve for x
x = 105,917,687,908.89/454,803.80 - Step 6: Final answer
x = 232,886.55
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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.