Finding the Fourth Proportional to 275,489.21, 413,204.64 and 88,486.13
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Solution
The fourth proportional to 275,489.21, 413,204.64 and 88,486.13 is: 132,719.82
Step by Step Solution
- Step 1: Write the proportion equation
275,489.21 : 413,204.64 = 88,486.13 : x - Step 2: Convert to fraction form
275,489.21/413,204.64 = 88,486.13/x - Step 3: Cross multiply
275,489.21x = 413,204.64 × 88,486.13 - Step 4: Simplify right side
275,489.21x = 36,562,879,491.64 - Step 5: Solve for x
x = 36,562,879,491.64/275,489.21 - Step 6: Final answer
x = 132,719.82
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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.