Finding the Fourth Proportional to 412,451.13, 569,181.80 and 231,163.01
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Solution
The fourth proportional to 412,451.13, 569,181.80 and 231,163.01 is: 319,004.52
Step by Step Solution
- Step 1: Write the proportion equation
412,451.13 : 569,181.80 = 231,163.01 : x - Step 2: Convert to fraction form
412,451.13/569,181.80 = 231,163.01/x - Step 3: Cross multiply
412,451.13x = 569,181.80 × 231,163.01 - Step 4: Simplify right side
412,451.13x = 131,573,774,123.49 - Step 5: Solve for x
x = 131,573,774,123.49/412,451.13 - Step 6: Final answer
x = 319,004.52
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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.