Finding the Fourth Proportional to 251,628.12, 347,256.36 and 144,218.88
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Solution
The fourth proportional to 251,628.12, 347,256.36 and 144,218.88 is: 199,027.53
Step by Step Solution
- Step 1: Write the proportion equation
251,628.12 : 347,256.36 = 144,218.88 : x - Step 2: Convert to fraction form
251,628.12/347,256.36 = 144,218.88/x - Step 3: Cross multiply
251,628.12x = 347,256.36 × 144,218.88 - Step 4: Simplify right side
251,628.12x = 50,080,923,312.08 - Step 5: Solve for x
x = 50,080,923,312.08/251,628.12 - Step 6: Final answer
x = 199,027.53
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1.5x scale
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.