Finding the Fourth Proportional to 112,878.24, 169,350.30 and 50,534.16
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Solution
The fourth proportional to 112,878.24, 169,350.30 and 50,534.16 is: 75,815.99
Step by Step Solution
- Step 1: Write the proportion equation
112,878.24 : 169,350.30 = 50,534.16 : x - Step 2: Convert to fraction form
112,878.24/169,350.30 = 50,534.16/x - Step 3: Cross multiply
112,878.24x = 169,350.30 × 50,534.16 - Step 4: Simplify right side
112,878.24x = 8,557,975,156.25 - Step 5: Solve for x
x = 8,557,975,156.25/112,878.24 - Step 6: Final answer
x = 75,815.99
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1.5x scale
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.