Finding the Fourth Proportional to 197,288.19, 272,291.76 and 190,727.19
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Solution
The fourth proportional to 197,288.19, 272,291.76 and 190,727.19 is: 263,236.45
Step by Step Solution
- Step 1: Write the proportion equation
197,288.19 : 272,291.76 = 190,727.19 : x - Step 2: Convert to fraction form
197,288.19/272,291.76 = 190,727.19/x - Step 3: Cross multiply
197,288.19x = 272,291.76 × 190,727.19 - Step 4: Simplify right side
197,288.19x = 51,933,442,244.95 - Step 5: Solve for x
x = 51,933,442,244.95/197,288.19 - Step 6: Final answer
x = 263,236.45
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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.