Finding the Fourth Proportional to 226,605.99, 312,718.32 and 123,241.13
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Solution
The fourth proportional to 226,605.99, 312,718.32 and 123,241.13 is: 170,073.88
Step by Step Solution
- Step 1: Write the proportion equation
226,605.99 : 312,718.32 = 123,241.13 : x - Step 2: Convert to fraction form
226,605.99/312,718.32 = 123,241.13/x - Step 3: Cross multiply
226,605.99x = 312,718.32 × 123,241.13 - Step 4: Simplify right side
226,605.99x = 38,539,758,737.60 - Step 5: Solve for x
x = 38,539,758,737.60/226,605.99 - Step 6: Final answer
x = 170,073.88
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1.5x scale
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.