Finding the Fourth Proportional to 283,205.80, 424,808.70 and 269,427.70
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Solution
The fourth proportional to 283,205.80, 424,808.70 and 269,427.70 is: 404,141.55
Step by Step Solution
- Step 1: Write the proportion equation
283,205.80 : 424,808.70 = 269,427.70 : x - Step 2: Convert to fraction form
283,205.80/424,808.70 = 269,427.70/x - Step 3: Cross multiply
283,205.80x = 424,808.70 × 269,427.70 - Step 4: Simplify right side
283,205.80x = 114,455,230,980.99 - Step 5: Solve for x
x = 114,455,230,980.99/283,205.80 - Step 6: Final answer
x = 404,141.55
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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.