Finding the Fourth Proportional to 123,599.48, 185,416.98 and 38,216.99
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Solution
The fourth proportional to 123,599.48, 185,416.98 and 38,216.99 is: 57,330.98
Step by Step Solution
- Step 1: Write the proportion equation
123,599.48 : 185,416.98 = 38,216.99 : x - Step 2: Convert to fraction form
123,599.48/185,416.98 = 38,216.99/x - Step 3: Cross multiply
123,599.48x = 185,416.98 × 38,216.99 - Step 4: Simplify right side
123,599.48x = 7,086,078,870.49 - Step 5: Solve for x
x = 7,086,078,870.49/123,599.48 - Step 6: Final answer
x = 57,330.98
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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.