Finding the Fourth Proportional to 315,331.74, 472,716.27 and 115,605.48
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Solution
The fourth proportional to 315,331.74, 472,716.27 and 115,605.48 is: 173,305.08
Step by Step Solution
- Step 1: Write the proportion equation
315,331.74 : 472,716.27 = 115,605.48 : x - Step 2: Convert to fraction form
315,331.74/472,716.27 = 115,605.48/x - Step 3: Cross multiply
315,331.74x = 472,716.27 × 115,605.48 - Step 4: Simplify right side
315,331.74x = 54,648,591,297.16 - Step 5: Solve for x
x = 54,648,591,297.16/315,331.74 - Step 6: Final answer
x = 173,305.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.