Finding the Fourth Proportional to 192,898.23, 266,269.43 and 157,025.96
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Solution
The fourth proportional to 192,898.23, 266,269.43 and 157,025.96 is: 216,752.70
Step by Step Solution
- Step 1: Write the proportion equation
192,898.23 : 266,269.43 = 157,025.96 : x - Step 2: Convert to fraction form
192,898.23/266,269.43 = 157,025.96/x - Step 3: Cross multiply
192,898.23x = 266,269.43 × 157,025.96 - Step 4: Simplify right side
192,898.23x = 41,811,212,040.86 - Step 5: Solve for x
x = 41,811,212,040.86/192,898.23 - Step 6: Final answer
x = 216,752.70
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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.