Finding the Fourth Proportional to 341,421.05, 471,161.07 and 188,459.28
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Solution
The fourth proportional to 341,421.05, 471,161.07 and 188,459.28 is: 260,073.82
Step by Step Solution
- Step 1: Write the proportion equation
341,421.05 : 471,161.07 = 188,459.28 : x - Step 2: Convert to fraction form
341,421.05/471,161.07 = 188,459.28/x - Step 3: Cross multiply
341,421.05x = 471,161.07 × 188,459.28 - Step 4: Simplify right side
341,421.05x = 88,794,675,073.93 - Step 5: Solve for x
x = 88,794,675,073.93/341,421.05 - Step 6: Final answer
x = 260,073.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.