Finding the Fourth Proportional to 480,525.40, 721,147.14 and 181,301.08
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Solution
The fourth proportional to 480,525.40, 721,147.14 and 181,301.08 is: 272,087.08
Step by Step Solution
- Step 1: Write the proportion equation
480,525.40 : 721,147.14 = 181,301.08 : x - Step 2: Convert to fraction form
480,525.40/721,147.14 = 181,301.08/x - Step 3: Cross multiply
480,525.40x = 721,147.14 × 181,301.08 - Step 4: Simplify right side
480,525.40x = 130,744,755,320.91 - Step 5: Solve for x
x = 130,744,755,320.91/480,525.40 - Step 6: Final answer
x = 272,087.08
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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.