Finding the Fourth Proportional to 455,198.62, 682,778.48 and 155,705.98
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Solution
The fourth proportional to 455,198.62, 682,778.48 and 155,705.98 is: 233,552.32
Step by Step Solution
- Step 1: Write the proportion equation
455,198.62 : 682,778.48 = 155,705.98 : x - Step 2: Convert to fraction form
455,198.62/682,778.48 = 155,705.98/x - Step 3: Cross multiply
455,198.62x = 682,778.48 × 155,705.98 - Step 4: Simplify right side
455,198.62x = 106,312,692,351.31 - Step 5: Solve for x
x = 106,312,692,351.31/455,198.62 - Step 6: Final answer
x = 233,552.32
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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.