Finding the Fourth Proportional to 75,302.40, 112,917.12 and 22,702.08
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Solution
The fourth proportional to 75,302.40, 112,917.12 and 22,702.08 is: 34,042.12
Step by Step Solution
- Step 1: Write the proportion equation
75,302.40 : 112,917.12 = 22,702.08 : x - Step 2: Convert to fraction form
75,302.40/112,917.12 = 22,702.08/x - Step 3: Cross multiply
75,302.40x = 112,917.12 × 22,702.08 - Step 4: Simplify right side
75,302.40x = 2,563,453,491.61 - Step 5: Solve for x
x = 2,563,453,491.61/75,302.40 - Step 6: Final answer
x = 34,042.12
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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.