Finding the Fourth Proportional to 453,739.51, 680,609.49 and 187,207.09
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Solution
The fourth proportional to 453,739.51, 680,609.49 and 187,207.09 is: 280,810.72
Step by Step Solution
- Step 1: Write the proportion equation
453,739.51 : 680,609.49 = 187,207.09 : x - Step 2: Convert to fraction form
453,739.51/680,609.49 = 187,207.09/x - Step 3: Cross multiply
453,739.51x = 680,609.49 × 187,207.09 - Step 4: Simplify right side
453,739.51x = 127,414,918,646.24 - Step 5: Solve for x
x = 127,414,918,646.24/453,739.51 - Step 6: Final answer
x = 280,810.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.