Finding the Fourth Proportional to 201,217.79, 301,808.23 and 68,082.80
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Solution
The fourth proportional to 201,217.79, 301,808.23 and 68,082.80 is: 102,117.95
Step by Step Solution
- Step 1: Write the proportion equation
201,217.79 : 301,808.23 = 68,082.80 : x - Step 2: Convert to fraction form
201,217.79/301,808.23 = 68,082.80/x - Step 3: Cross multiply
201,217.79x = 301,808.23 × 68,082.80 - Step 4: Simplify right side
201,217.79x = 20,547,947,682.20 - Step 5: Solve for x
x = 20,547,947,682.20/201,217.79 - Step 6: Final answer
x = 102,117.95
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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.