Finding the Fourth Proportional to 315,221.13, 472,796.66 and 112,809.08
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Solution
The fourth proportional to 315,221.13, 472,796.66 and 112,809.08 is: 169,201.07
Step by Step Solution
- Step 1: Write the proportion equation
315,221.13 : 472,796.66 = 112,809.08 : x - Step 2: Convert to fraction form
315,221.13/472,796.66 = 112,809.08/x - Step 3: Cross multiply
315,221.13x = 472,796.66 × 112,809.08 - Step 4: Simplify right side
315,221.13x = 53,335,753,313.64 - Step 5: Solve for x
x = 53,335,753,313.64/315,221.13 - Step 6: Final answer
x = 169,201.07
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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.