Finding the Fourth Proportional to 396,949.70, 547,788.26 and 233,701.08
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Solution
The fourth proportional to 396,949.70, 547,788.26 and 233,701.08 is: 322,506.12
Step by Step Solution
- Step 1: Write the proportion equation
396,949.70 : 547,788.26 = 233,701.08 : x - Step 2: Convert to fraction form
396,949.70/547,788.26 = 233,701.08/x - Step 3: Cross multiply
396,949.70x = 547,788.26 × 233,701.08 - Step 4: Simplify right side
396,949.70x = 128,018,706,804.82 - Step 5: Solve for x
x = 128,018,706,804.82/396,949.70 - Step 6: Final answer
x = 322,506.12
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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.