Finding the Fourth Proportional to 201,461.28, 301,446.54 and 121,545.60
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Solution
The fourth proportional to 201,461.28, 301,446.54 and 121,545.60 is: 181,868.70
Step by Step Solution
- Step 1: Write the proportion equation
201,461.28 : 301,446.54 = 121,545.60 : x - Step 2: Convert to fraction form
201,461.28/301,446.54 = 121,545.60/x - Step 3: Cross multiply
201,461.28x = 301,446.54 × 121,545.60 - Step 4: Simplify right side
201,461.28x = 36,639,500,572.22 - Step 5: Solve for x
x = 36,639,500,572.22/201,461.28 - Step 6: Final answer
x = 181,868.70
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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.