Finding the Fourth Proportional to 283,734.63, 391,534.65 and 169,021.62
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Solution
The fourth proportional to 283,734.63, 391,534.65 and 169,021.62 is: 233,238.43
Step by Step Solution
- Step 1: Write the proportion equation
283,734.63 : 391,534.65 = 169,021.62 : x - Step 2: Convert to fraction form
283,734.63/391,534.65 = 169,021.62/x - Step 3: Cross multiply
283,734.63x = 391,534.65 × 169,021.62 - Step 4: Simplify right side
283,734.63x = 66,177,820,829.13 - Step 5: Solve for x
x = 66,177,820,829.13/283,734.63 - Step 6: Final answer
x = 233,238.43
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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.