Finding the Fourth Proportional to 74,808.24, 103,228.20 and 41,272.08
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Solution
The fourth proportional to 74,808.24, 103,228.20 and 41,272.08 is: 56,951.51
Step by Step Solution
- Step 1: Write the proportion equation
74,808.24 : 103,228.20 = 41,272.08 : x - Step 2: Convert to fraction form
74,808.24/103,228.20 = 41,272.08/x - Step 3: Cross multiply
74,808.24x = 103,228.20 × 41,272.08 - Step 4: Simplify right side
74,808.24x = 4,260,442,528.66 - Step 5: Solve for x
x = 4,260,442,528.66/74,808.24 - Step 6: Final answer
x = 56,951.51
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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.