Finding the Fourth Proportional to 283,643.24, 391,427.73 and 154,581.75
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Solution
The fourth proportional to 283,643.24, 391,427.73 and 154,581.75 is: 213,322.85
Step by Step Solution
- Step 1: Write the proportion equation
283,643.24 : 391,427.73 = 154,581.75 : x - Step 2: Convert to fraction form
283,643.24/391,427.73 = 154,581.75/x - Step 3: Cross multiply
283,643.24x = 391,427.73 × 154,581.75 - Step 4: Simplify right side
283,643.24x = 60,507,583,501.93 - Step 5: Solve for x
x = 60,507,583,501.93/283,643.24 - Step 6: Final answer
x = 213,322.85
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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.