Finding the Fourth Proportional to 358,156.11, 494,291.64 and 205,214.58
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Solution
The fourth proportional to 358,156.11, 494,291.64 and 205,214.58 is: 283,216.88
Step by Step Solution
- Step 1: Write the proportion equation
358,156.11 : 494,291.64 = 205,214.58 : x - Step 2: Convert to fraction form
358,156.11/494,291.64 = 205,214.58/x - Step 3: Cross multiply
358,156.11x = 494,291.64 × 205,214.58 - Step 4: Simplify right side
358,156.11x = 101,435,853,184.46 - Step 5: Solve for x
x = 101,435,853,184.46/358,156.11 - Step 6: Final answer
x = 283,216.88
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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.