Finding the Fourth Proportional to 305,717.10, 458,575.65 and 84,101.10
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Solution
The fourth proportional to 305,717.10, 458,575.65 and 84,101.10 is: 126,151.65
Step by Step Solution
- Step 1: Write the proportion equation
305,717.10 : 458,575.65 = 84,101.10 : x - Step 2: Convert to fraction form
305,717.10/458,575.65 = 84,101.10/x - Step 3: Cross multiply
305,717.10x = 458,575.65 × 84,101.10 - Step 4: Simplify right side
305,717.10x = 38,566,716,598.22 - Step 5: Solve for x
x = 38,566,716,598.22/305,717.10 - Step 6: Final answer
x = 126,151.65
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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.