Finding the Fourth Proportional to 201,701.70, 302,617.35 and 135,216.90
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Solution
The fourth proportional to 201,701.70, 302,617.35 and 135,216.90 is: 202,868.79
Step by Step Solution
- Step 1: Write the proportion equation
201,701.70 : 302,617.35 = 135,216.90 : x - Step 2: Convert to fraction form
201,701.70/302,617.35 = 135,216.90/x - Step 3: Cross multiply
201,701.70x = 302,617.35 × 135,216.90 - Step 4: Simplify right side
201,701.70x = 40,918,979,953.22 - Step 5: Solve for x
x = 40,918,979,953.22/201,701.70 - Step 6: Final answer
x = 202,868.79
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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.