Finding the Fourth Proportional to 547,848.97, 756,029.97 and 306,131.78
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Solution
The fourth proportional to 547,848.97, 756,029.97 and 306,131.78 is: 422,460.96
Step by Step Solution
- Step 1: Write the proportion equation
547,848.97 : 756,029.97 = 306,131.78 : x - Step 2: Convert to fraction form
547,848.97/756,029.97 = 306,131.78/x - Step 3: Cross multiply
547,848.97x = 756,029.97 × 306,131.78 - Step 4: Simplify right side
547,848.97x = 231,444,802,339.52 - Step 5: Solve for x
x = 231,444,802,339.52/547,848.97 - Step 6: Final answer
x = 422,460.96
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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.