Finding the Fourth Proportional to 354,134.91, 488,691.95 and 192,986.49
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Solution
The fourth proportional to 354,134.91, 488,691.95 and 192,986.49 is: 266,313.60
Step by Step Solution
- Step 1: Write the proportion equation
354,134.91 : 488,691.95 = 192,986.49 : x - Step 2: Convert to fraction form
354,134.91/488,691.95 = 192,986.49/x - Step 3: Cross multiply
354,134.91x = 488,691.95 × 192,986.49 - Step 4: Simplify right side
354,134.91x = 94,310,943,326.07 - Step 5: Solve for x
x = 94,310,943,326.07/354,134.91 - Step 6: Final answer
x = 266,313.60
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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.