Finding the Fourth Proportional to 353,455.58, 487,770.81 and 192,311.84
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Solution
The fourth proportional to 353,455.58, 487,770.81 and 192,311.84 is: 265,391.49
Step by Step Solution
- Step 1: Write the proportion equation
353,455.58 : 487,770.81 = 192,311.84 : x - Step 2: Convert to fraction form
353,455.58/487,770.81 = 192,311.84/x - Step 3: Cross multiply
353,455.58x = 487,770.81 × 192,311.84 - Step 4: Simplify right side
353,455.58x = 93,804,101,969.39 - Step 5: Solve for x
x = 93,804,101,969.39/353,455.58 - Step 6: Final answer
x = 265,391.49
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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.