Finding the Fourth Proportional to 358,491.18, 494,723.52 and 205,542.84
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Solution
The fourth proportional to 358,491.18, 494,723.52 and 205,542.84 is: 283,652.38
Step by Step Solution
- Step 1: Write the proportion equation
358,491.18 : 494,723.52 = 205,542.84 : x - Step 2: Convert to fraction form
358,491.18/494,723.52 = 205,542.84/x - Step 3: Cross multiply
358,491.18x = 494,723.52 × 205,542.84 - Step 4: Simplify right side
358,491.18x = 101,686,877,315.60 - Step 5: Solve for x
x = 101,686,877,315.60/358,491.18 - Step 6: Final answer
x = 283,652.38
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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.