Finding the Fourth Proportional to 214,027.74, 320,975.82 and 171,807.84
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Solution
The fourth proportional to 214,027.74, 320,975.82 and 171,807.84 is: 257,658.95
Step by Step Solution
- Step 1: Write the proportion equation
214,027.74 : 320,975.82 = 171,807.84 : x - Step 2: Convert to fraction form
214,027.74/320,975.82 = 171,807.84/x - Step 3: Cross multiply
214,027.74x = 320,975.82 × 171,807.84 - Step 4: Simplify right side
214,027.74x = 55,146,162,326.43 - Step 5: Solve for x
x = 55,146,162,326.43/214,027.74 - Step 6: Final answer
x = 257,658.95
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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.