Finding the Fourth Proportional to 481,639.84, 664,669.84 and 277,686.72
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Solution
The fourth proportional to 481,639.84, 664,669.84 and 277,686.72 is: 383,211.63
Step by Step Solution
- Step 1: Write the proportion equation
481,639.84 : 664,669.84 = 277,686.72 : x - Step 2: Convert to fraction form
481,639.84/664,669.84 = 277,686.72/x - Step 3: Cross multiply
481,639.84x = 664,669.84 × 277,686.72 - Step 4: Simplify right side
481,639.84x = 184,569,987,752.53 - Step 5: Solve for x
x = 184,569,987,752.53/481,639.84 - Step 6: Final answer
x = 383,211.63
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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.