Finding the Fourth Proportional to 115,599.98, 173,403.53 and 31,359.81
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Solution
The fourth proportional to 115,599.98, 173,403.53 and 31,359.81 is: 47,040.68
Step by Step Solution
- Step 1: Write the proportion equation
115,599.98 : 173,403.53 = 31,359.81 : x - Step 2: Convert to fraction form
115,599.98/173,403.53 = 31,359.81/x - Step 3: Cross multiply
115,599.98x = 173,403.53 × 31,359.81 - Step 4: Simplify right side
115,599.98x = 5,437,901,754.13 - Step 5: Solve for x
x = 5,437,901,754.13/115,599.98 - Step 6: Final answer
x = 47,040.68
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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.