Finding the Fourth Proportional to 201,947.13, 302,920.69 and 54,203.13
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Solution
The fourth proportional to 201,947.13, 302,920.69 and 54,203.13 is: 81,304.69
Step by Step Solution
- Step 1: Write the proportion equation
201,947.13 : 302,920.69 = 54,203.13 : x - Step 2: Convert to fraction form
201,947.13/302,920.69 = 54,203.13/x - Step 3: Cross multiply
201,947.13x = 302,920.69 × 54,203.13 - Step 4: Simplify right side
201,947.13x = 16,419,249,539.76 - Step 5: Solve for x
x = 16,419,249,539.76/201,947.13 - Step 6: Final answer
x = 81,304.69
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1.5x scale
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.