Finding the Fourth Proportional to 300,642.96, 414,327.48 and 246,613.08
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Solution
The fourth proportional to 300,642.96, 414,327.48 and 246,613.08 is: 339,866.85
Step by Step Solution
- Step 1: Write the proportion equation
300,642.96 : 414,327.48 = 246,613.08 : x - Step 2: Convert to fraction form
300,642.96/414,327.48 = 246,613.08/x - Step 3: Cross multiply
300,642.96x = 414,327.48 × 246,613.08 - Step 4: Simplify right side
300,642.96x = 102,178,575,971.44 - Step 5: Solve for x
x = 102,178,575,971.44/300,642.96 - Step 6: Final answer
x = 339,866.85
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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.