Finding the Fourth Proportional to 226,638.94, 312,769.41 and 124,671.98
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Solution
The fourth proportional to 226,638.94, 312,769.41 and 124,671.98 is: 172,051.55
Step by Step Solution
- Step 1: Write the proportion equation
226,638.94 : 312,769.41 = 124,671.98 : x - Step 2: Convert to fraction form
226,638.94/312,769.41 = 124,671.98/x - Step 3: Cross multiply
226,638.94x = 312,769.41 × 124,671.98 - Step 4: Simplify right side
226,638.94x = 38,993,581,628.13 - Step 5: Solve for x
x = 38,993,581,628.13/226,638.94 - Step 6: Final answer
x = 172,051.55
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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.