Finding the Fourth Proportional to 455,331.88, 628,358.16 and 251,382.97
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Solution
The fourth proportional to 455,331.88, 628,358.16 and 251,382.97 is: 346,908.59
Step by Step Solution
- Step 1: Write the proportion equation
455,331.88 : 628,358.16 = 251,382.97 : x - Step 2: Convert to fraction form
455,331.88/628,358.16 = 251,382.97/x - Step 3: Cross multiply
455,331.88x = 628,358.16 × 251,382.97 - Step 4: Simplify right side
455,331.88x = 157,958,540,484.54 - Step 5: Solve for x
x = 157,958,540,484.54/455,331.88 - Step 6: Final answer
x = 346,908.59
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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.