Finding the Fourth Proportional to 197,359.74, 272,356.02 and 111,318.44
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Solution
The fourth proportional to 197,359.74, 272,356.02 and 111,318.44 is: 153,619.20
Step by Step Solution
- Step 1: Write the proportion equation
197,359.74 : 272,356.02 = 111,318.44 : x - Step 2: Convert to fraction form
197,359.74/272,356.02 = 111,318.44/x - Step 3: Cross multiply
197,359.74x = 272,356.02 × 111,318.44 - Step 4: Simplify right side
197,359.74x = 30,318,245,909.23 - Step 5: Solve for x
x = 30,318,245,909.23/197,359.74 - Step 6: Final answer
x = 153,619.20
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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.