Finding the Fourth Proportional to 358,158.35, 494,294.76 and 205,216.83
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Solution
The fourth proportional to 358,158.35, 494,294.76 and 205,216.83 is: 283,219.99
Step by Step Solution
- Step 1: Write the proportion equation
358,158.35 : 494,294.76 = 205,216.83 : x - Step 2: Convert to fraction form
358,158.35/494,294.76 = 205,216.83/x - Step 3: Cross multiply
358,158.35x = 494,294.76 × 205,216.83 - Step 4: Simplify right side
358,158.35x = 101,437,603,732.81 - Step 5: Solve for x
x = 101,437,603,732.81/358,158.35 - Step 6: Final answer
x = 283,219.99
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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.