Finding the Fourth Proportional to 283,877.80, 391,798.18 and 170,762.92
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Solution
The fourth proportional to 283,877.80, 391,798.18 and 170,762.92 is: 235,680.99
Step by Step Solution
- Step 1: Write the proportion equation
283,877.80 : 391,798.18 = 170,762.92 : x - Step 2: Convert to fraction form
283,877.80/391,798.18 = 170,762.92/x - Step 3: Cross multiply
283,877.80x = 391,798.18 × 170,762.92 - Step 4: Simplify right side
283,877.80x = 66,904,601,267.49 - Step 5: Solve for x
x = 66,904,601,267.49/283,877.80 - Step 6: Final answer
x = 235,680.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.