Finding the Fourth Proportional to 557,854.14, 769,846.50 and 303,205.26
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Solution
The fourth proportional to 557,854.14, 769,846.50 and 303,205.26 is: 418,427.49
Step by Step Solution
- Step 1: Write the proportion equation
557,854.14 : 769,846.50 = 303,205.26 : x - Step 2: Convert to fraction form
557,854.14/769,846.50 = 303,205.26/x - Step 3: Cross multiply
557,854.14x = 769,846.50 × 303,205.26 - Step 4: Simplify right side
557,854.14x = 233,421,508,192.59 - Step 5: Solve for x
x = 233,421,508,192.59/557,854.14 - Step 6: Final answer
x = 418,427.49
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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.