Finding the Fourth Proportional to 471,433.69, 650,465.12 and 277,849.09
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Solution
The fourth proportional to 471,433.69, 650,465.12 and 277,849.09 is: 383,364.92
Step by Step Solution
- Step 1: Write the proportion equation
471,433.69 : 650,465.12 = 277,849.09 : x - Step 2: Convert to fraction form
471,433.69/650,465.12 = 277,849.09/x - Step 3: Cross multiply
471,433.69x = 650,465.12 × 277,849.09 - Step 4: Simplify right side
471,433.69x = 180,731,137,027.17 - Step 5: Solve for x
x = 180,731,137,027.17/471,433.69 - Step 6: Final answer
x = 383,364.92
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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.