Finding the Fourth Proportional to 230,687.06, 318,348.36 and 135,193.86
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Solution
The fourth proportional to 230,687.06, 318,348.36 and 135,193.86 is: 186,567.66
Step by Step Solution
- Step 1: Write the proportion equation
230,687.06 : 318,348.36 = 135,193.86 : x - Step 2: Convert to fraction form
230,687.06/318,348.36 = 135,193.86/x - Step 3: Cross multiply
230,687.06x = 318,348.36 × 135,193.86 - Step 4: Simplify right side
230,687.06x = 43,038,743,613.07 - Step 5: Solve for x
x = 43,038,743,613.07/230,687.06 - Step 6: Final answer
x = 186,567.66
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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.