Finding the Fourth Proportional to 535,175.78, 738,542.21 and 293,462.46
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Solution
The fourth proportional to 535,175.78, 738,542.21 and 293,462.46 is: 404,977.99
Step by Step Solution
- Step 1: Write the proportion equation
535,175.78 : 738,542.21 = 293,462.46 : x - Step 2: Convert to fraction form
535,175.78/738,542.21 = 293,462.46/x - Step 3: Cross multiply
535,175.78x = 738,542.21 × 293,462.46 - Step 4: Simplify right side
535,175.78x = 216,734,412,293.12 - Step 5: Solve for x
x = 216,734,412,293.12/535,175.78 - Step 6: Final answer
x = 404,977.99
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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.