Finding the Fourth Proportional to 451,421.88, 676,935.97 and 170,742.30
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Solution
The fourth proportional to 451,421.88, 676,935.97 and 170,742.30 is: 256,038.99
Step by Step Solution
- Step 1: Write the proportion equation
451,421.88 : 676,935.97 = 170,742.30 : x - Step 2: Convert to fraction form
451,421.88/676,935.97 = 170,742.30/x - Step 3: Cross multiply
451,421.88x = 676,935.97 × 170,742.30 - Step 4: Simplify right side
451,421.88x = 115,581,603,616.82 - Step 5: Solve for x
x = 115,581,603,616.82/451,421.88 - Step 6: Final answer
x = 256,038.99
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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.