Finding the Fourth Proportional to 192,916.22, 266,221.49 and 106,875.02
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Solution
The fourth proportional to 192,916.22, 266,221.49 and 106,875.02 is: 147,485.92
Step by Step Solution
- Step 1: Write the proportion equation
192,916.22 : 266,221.49 = 106,875.02 : x - Step 2: Convert to fraction form
192,916.22/266,221.49 = 106,875.02/x - Step 3: Cross multiply
192,916.22x = 266,221.49 × 106,875.02 - Step 4: Simplify right side
192,916.22x = 28,452,425,202.70 - Step 5: Solve for x
x = 28,452,425,202.70/192,916.22 - Step 6: Final answer
x = 147,485.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.