Finding the Fourth Proportional to 352,520.49, 486,008.49 and 280,164.99
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Solution
The fourth proportional to 352,520.49, 486,008.49 and 280,164.99 is: 386,254.32
Step by Step Solution
- Step 1: Write the proportion equation
352,520.49 : 486,008.49 = 280,164.99 : x - Step 2: Convert to fraction form
352,520.49/486,008.49 = 280,164.99/x - Step 3: Cross multiply
352,520.49x = 486,008.49 × 280,164.99 - Step 4: Simplify right side
352,520.49x = 136,162,563,740.77 - Step 5: Solve for x
x = 136,162,563,740.77/352,520.49 - Step 6: Final answer
x = 386,254.32
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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.