Finding the Fourth Proportional to 75,297.24, 112,803.30 and 50,261.80
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Solution
The fourth proportional to 75,297.24, 112,803.30 and 50,261.80 is: 75,297.54
Step by Step Solution
- Step 1: Write the proportion equation
75,297.24 : 112,803.30 = 50,261.80 : x - Step 2: Convert to fraction form
75,297.24/112,803.30 = 50,261.80/x - Step 3: Cross multiply
75,297.24x = 112,803.30 × 50,261.80 - Step 4: Simplify right side
75,297.24x = 5,669,696,903.94 - Step 5: Solve for x
x = 5,669,696,903.94/75,297.24 - Step 6: Final answer
x = 75,297.54
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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.