Finding the Fourth Proportional to 449,488.38, 620,293.97 and 258,497.67
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Solution
The fourth proportional to 449,488.38, 620,293.97 and 258,497.67 is: 356,726.79
Step by Step Solution
- Step 1: Write the proportion equation
449,488.38 : 620,293.97 = 258,497.67 : x - Step 2: Convert to fraction form
449,488.38/620,293.97 = 258,497.67/x - Step 3: Cross multiply
449,488.38x = 620,293.97 × 258,497.67 - Step 4: Simplify right side
449,488.38x = 160,344,545,960.05 - Step 5: Solve for x
x = 160,344,545,960.05/449,488.38 - Step 6: Final answer
x = 356,726.79
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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.