Finding the Fourth Proportional to 230,627.58, 318,287.97 and 144,600.18
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Solution
The fourth proportional to 230,627.58, 318,287.97 and 144,600.18 is: 199,561.99
Step by Step Solution
- Step 1: Write the proportion equation
230,627.58 : 318,287.97 = 144,600.18 : x - Step 2: Convert to fraction form
230,627.58/318,287.97 = 144,600.18/x - Step 3: Cross multiply
230,627.58x = 318,287.97 × 144,600.18 - Step 4: Simplify right side
230,627.58x = 46,024,497,753.83 - Step 5: Solve for x
x = 46,024,497,753.83/230,627.58 - Step 6: Final answer
x = 199,561.99
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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.