Finding the Fourth Proportional to 276,547.39, 414,950.22 and 143,354.99
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Solution
The fourth proportional to 276,547.39, 414,950.22 and 143,354.99 is: 215,099.43
Step by Step Solution
- Step 1: Write the proportion equation
276,547.39 : 414,950.22 = 143,354.99 : x - Step 2: Convert to fraction form
276,547.39/414,950.22 = 143,354.99/x - Step 3: Cross multiply
276,547.39x = 414,950.22 × 143,354.99 - Step 4: Simplify right side
276,547.39x = 59,485,185,675.97 - Step 5: Solve for x
x = 59,485,185,675.97/276,547.39 - Step 6: Final answer
x = 215,099.43
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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.