Finding the Fourth Proportional to 348,163.88, 522,479.30 and 126,547.88
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Solution
The fourth proportional to 348,163.88, 522,479.30 and 126,547.88 is: 189,906.68
Step by Step Solution
- Step 1: Write the proportion equation
348,163.88 : 522,479.30 = 126,547.88 : x - Step 2: Convert to fraction form
348,163.88/522,479.30 = 126,547.88/x - Step 3: Cross multiply
348,163.88x = 522,479.30 × 126,547.88 - Step 4: Simplify right side
348,163.88x = 66,118,644,513.75 - Step 5: Solve for x
x = 66,118,644,513.75/348,163.88 - Step 6: Final answer
x = 189,906.68
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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.