Finding the Fourth Proportional to 547,850.34, 756,031.80 and 306,133.14
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Solution
The fourth proportional to 547,850.34, 756,031.80 and 306,133.14 is: 422,462.80
Step by Step Solution
- Step 1: Write the proportion equation
547,850.34 : 756,031.80 = 306,133.14 : x - Step 2: Convert to fraction form
547,850.34/756,031.80 = 306,133.14/x - Step 3: Cross multiply
547,850.34x = 756,031.80 × 306,133.14 - Step 4: Simplify right side
547,850.34x = 231,446,388,873.85 - Step 5: Solve for x
x = 231,446,388,873.85/547,850.34 - Step 6: Final answer
x = 422,462.80
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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.