Finding the Fourth Proportional to 112,916.97, 169,326.23 and 38,016.99
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Solution
The fourth proportional to 112,916.97, 169,326.23 and 38,016.99 is: 57,008.91
Step by Step Solution
- Step 1: Write the proportion equation
112,916.97 : 169,326.23 = 38,016.99 : x - Step 2: Convert to fraction form
112,916.97/169,326.23 = 38,016.99/x - Step 3: Cross multiply
112,916.97x = 169,326.23 × 38,016.99 - Step 4: Simplify right side
112,916.97x = 6,437,273,402.56 - Step 5: Solve for x
x = 6,437,273,402.56/112,916.97 - Step 6: Final answer
x = 57,008.91
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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.