Finding the Fourth Proportional to 346,121.67, 477,519.93 and 202,829.43
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Solution
The fourth proportional to 346,121.67, 477,519.93 and 202,829.43 is: 279,829.62
Step by Step Solution
- Step 1: Write the proportion equation
346,121.67 : 477,519.93 = 202,829.43 : x - Step 2: Convert to fraction form
346,121.67/477,519.93 = 202,829.43/x - Step 3: Cross multiply
346,121.67x = 477,519.93 × 202,829.43 - Step 4: Simplify right side
346,121.67x = 96,855,095,215.54 - Step 5: Solve for x
x = 96,855,095,215.54/346,121.67 - Step 6: Final answer
x = 279,829.62
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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.