Finding the Fourth Proportional to 76,232.08, 114,418.44 and 38,819.12
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Solution
The fourth proportional to 76,232.08, 114,418.44 and 38,819.12 is: 58,264.49
Step by Step Solution
- Step 1: Write the proportion equation
76,232.08 : 114,418.44 = 38,819.12 : x - Step 2: Convert to fraction form
76,232.08/114,418.44 = 38,819.12/x - Step 3: Cross multiply
76,232.08x = 114,418.44 × 38,819.12 - Step 4: Simplify right side
76,232.08x = 4,441,623,152.57 - Step 5: Solve for x
x = 4,441,623,152.57/76,232.08 - Step 6: Final answer
x = 58,264.49
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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.