Finding the Fourth Proportional to 445,997.97, 615,988.04 and 293,716.87
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Solution
The fourth proportional to 445,997.97, 615,988.04 and 293,716.87 is: 405,665.69
Step by Step Solution
- Step 1: Write the proportion equation
445,997.97 : 615,988.04 = 293,716.87 : x - Step 2: Convert to fraction form
445,997.97/615,988.04 = 293,716.87/x - Step 3: Cross multiply
445,997.97x = 615,988.04 × 293,716.87 - Step 4: Simplify right side
445,997.97x = 180,926,076,057.68 - Step 5: Solve for x
x = 180,926,076,057.68/445,997.97 - Step 6: Final answer
x = 405,665.69
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1.5x scale
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.