Finding the Fourth Proportional to 480,691.33, 721,036.08 and 181,239.09
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Solution
The fourth proportional to 480,691.33, 721,036.08 and 181,239.09 is: 271,858.29
Step by Step Solution
- Step 1: Write the proportion equation
480,691.33 : 721,036.08 = 181,239.09 : x - Step 2: Convert to fraction form
480,691.33/721,036.08 = 181,239.09/x - Step 3: Cross multiply
480,691.33x = 721,036.08 × 181,239.09 - Step 4: Simplify right side
480,691.33x = 130,679,920,292.48 - Step 5: Solve for x
x = 130,679,920,292.48/480,691.33 - Step 6: Final answer
x = 271,858.29
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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.