Finding the Fourth Proportional to 198,325.91, 273,310.58 and 194,681.84
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Solution
The fourth proportional to 198,325.91, 273,310.58 and 194,681.84 is: 268,288.72
Step by Step Solution
- Step 1: Write the proportion equation
198,325.91 : 273,310.58 = 194,681.84 : x - Step 2: Convert to fraction form
198,325.91/273,310.58 = 194,681.84/x - Step 3: Cross multiply
198,325.91x = 273,310.58 × 194,681.84 - Step 4: Simplify right side
198,325.91x = 53,208,605,726.02 - Step 5: Solve for x
x = 53,208,605,726.02/198,325.91 - Step 6: Final answer
x = 268,288.72
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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.