Finding the Fourth Proportional to 671,857.70, 927,163.62 and 370,051.70
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Solution
The fourth proportional to 671,857.70, 927,163.62 and 370,051.70 is: 510,671.34
Step by Step Solution
- Step 1: Write the proportion equation
671,857.70 : 927,163.62 = 370,051.70 : x - Step 2: Convert to fraction form
671,857.70/927,163.62 = 370,051.70/x - Step 3: Cross multiply
671,857.70x = 927,163.62 × 370,051.70 - Step 4: Simplify right side
671,857.70x = 343,098,469,123.34 - Step 5: Solve for x
x = 343,098,469,123.34/671,857.70 - Step 6: Final answer
x = 510,671.34
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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.