Finding the Fourth Proportional to 164,671.79, 227,246.99 and 89,220.29
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Solution
The fourth proportional to 164,671.79, 227,246.99 and 89,220.29 is: 123,123.95
Step by Step Solution
- Step 1: Write the proportion equation
164,671.79 : 227,246.99 = 89,220.29 : x - Step 2: Convert to fraction form
164,671.79/227,246.99 = 89,220.29/x - Step 3: Cross multiply
164,671.79x = 227,246.99 × 89,220.29 - Step 4: Simplify right side
164,671.79x = 20,275,040,767.09 - Step 5: Solve for x
x = 20,275,040,767.09/164,671.79 - Step 6: Final answer
x = 123,123.95
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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.