Finding the Fourth Proportional to 112,630.40, 168,983.16 and 37,758
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Solution
The fourth proportional to 112,630.40, 168,983.16 and 37,758 is: 56,649.59
Step by Step Solution
- Step 1: Write the proportion equation
112,630.40 : 168,983.16 = 37,758 : x - Step 2: Convert to fraction form
112,630.40/168,983.16 = 37,758/x - Step 3: Cross multiply
112,630.40x = 168,983.16 × 37,758 - Step 4: Simplify right side
112,630.40x = 6,380,466,155.28 - Step 5: Solve for x
x = 6,380,466,155.28/112,630.40 - Step 6: Final answer
x = 56,649.59
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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.