Finding the Fourth Proportional to 618,119.92, 852,948.12 and 349,847.92
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Solution
The fourth proportional to 618,119.92, 852,948.12 and 349,847.92 is: 482,757.66
Step by Step Solution
- Step 1: Write the proportion equation
618,119.92 : 852,948.12 = 349,847.92 : x - Step 2: Convert to fraction form
618,119.92/852,948.12 = 349,847.92/x - Step 3: Cross multiply
618,119.92x = 852,948.12 × 349,847.92 - Step 4: Simplify right side
618,119.92x = 298,402,125,649.91 - Step 5: Solve for x
x = 298,402,125,649.91/618,119.92 - Step 6: Final answer
x = 482,757.66
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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.