Finding the Fourth Proportional to 481,232.21, 663,937.76 and 277,277.85
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Solution
The fourth proportional to 481,232.21, 663,937.76 and 277,277.85 is: 382,549.70
Step by Step Solution
- Step 1: Write the proportion equation
481,232.21 : 663,937.76 = 277,277.85 : x - Step 2: Convert to fraction form
481,232.21/663,937.76 = 277,277.85/x - Step 3: Cross multiply
481,232.21x = 663,937.76 × 277,277.85 - Step 4: Simplify right side
481,232.21x = 184,095,235,319.81 - Step 5: Solve for x
x = 184,095,235,319.81/481,232.21 - Step 6: Final answer
x = 382,549.70
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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.