Finding the Fourth Proportional to 477,854.97, 716,450.28 and 211,470.13
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Solution
The fourth proportional to 477,854.97, 716,450.28 and 211,470.13 is: 317,058.19
Step by Step Solution
- Step 1: Write the proportion equation
477,854.97 : 716,450.28 = 211,470.13 : x - Step 2: Convert to fraction form
477,854.97/716,450.28 = 211,470.13/x - Step 3: Cross multiply
477,854.97x = 716,450.28 × 211,470.13 - Step 4: Simplify right side
477,854.97x = 151,507,833,850.14 - Step 5: Solve for x
x = 151,507,833,850.14/477,854.97 - Step 6: Final answer
x = 317,058.19
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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.