Finding the Fourth Proportional to 452,613.12, 624,536.64 and 261,589.44
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Solution
The fourth proportional to 452,613.12, 624,536.64 and 261,589.44 is: 360,953.28
Step by Step Solution
- Step 1: Write the proportion equation
452,613.12 : 624,536.64 = 261,589.44 : x - Step 2: Convert to fraction form
452,613.12/624,536.64 = 261,589.44/x - Step 3: Cross multiply
452,613.12x = 624,536.64 × 261,589.44 - Step 4: Simplify right side
452,613.12x = 163,372,189,917.08 - Step 5: Solve for x
x = 163,372,189,917.08/452,613.12 - Step 6: Final answer
x = 360,953.28
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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.