Finding the Fourth Proportional to 455,196.62, 682,775.48 and 155,703.98
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Solution
The fourth proportional to 455,196.62, 682,775.48 and 155,703.98 is: 233,549.32
Step by Step Solution
- Step 1: Write the proportion equation
455,196.62 : 682,775.48 = 155,703.98 : x - Step 2: Convert to fraction form
455,196.62/682,775.48 = 155,703.98/x - Step 3: Cross multiply
455,196.62x = 682,775.48 × 155,703.98 - Step 4: Simplify right side
455,196.62x = 106,310,859,682.41 - Step 5: Solve for x
x = 106,310,859,682.41/455,196.62 - Step 6: Final answer
x = 233,549.32
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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.