Finding the Fourth Proportional to 283,587.23, 391,345.74 and 154,527.26
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Solution
The fourth proportional to 283,587.23, 391,345.74 and 154,527.26 is: 213,245.09
Step by Step Solution
- Step 1: Write the proportion equation
283,587.23 : 391,345.74 = 154,527.26 : x - Step 2: Convert to fraction form
283,587.23/391,345.74 = 154,527.26/x - Step 3: Cross multiply
283,587.23x = 391,345.74 × 154,527.26 - Step 4: Simplify right side
283,587.23x = 60,473,582,958.14 - Step 5: Solve for x
x = 60,473,582,958.14/283,587.23 - Step 6: Final answer
x = 213,245.09
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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.