Finding the Fourth Proportional to 171,747.08, 257,777.78 and 87,567.60
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Solution
The fourth proportional to 171,747.08, 257,777.78 and 87,567.60 is: 131,431.53
Step by Step Solution
- Step 1: Write the proportion equation
171,747.08 : 257,777.78 = 87,567.60 : x - Step 2: Convert to fraction form
171,747.08/257,777.78 = 87,567.60/x - Step 3: Cross multiply
171,747.08x = 257,777.78 × 87,567.60 - Step 4: Simplify right side
171,747.08x = 22,572,981,527.93 - Step 5: Solve for x
x = 22,572,981,527.93/171,747.08 - Step 6: Final answer
x = 131,431.53
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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.