Finding the Fourth Proportional to 143,708.99, 215,589.60 and 48,934.63
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Solution
The fourth proportional to 143,708.99, 215,589.60 and 48,934.63 is: 73,410.84
Step by Step Solution
- Step 1: Write the proportion equation
143,708.99 : 215,589.60 = 48,934.63 : x - Step 2: Convert to fraction form
143,708.99/215,589.60 = 48,934.63/x - Step 3: Cross multiply
143,708.99x = 215,589.60 × 48,934.63 - Step 4: Simplify right side
143,708.99x = 10,549,797,577.34 - Step 5: Solve for x
x = 10,549,797,577.34/143,708.99 - Step 6: Final answer
x = 73,410.84
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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.