Finding the Fourth Proportional to 197,717.14, 272,871.75 and 112,848.58
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Solution
The fourth proportional to 197,717.14, 272,871.75 and 112,848.58 is: 155,743.65
Step by Step Solution
- Step 1: Write the proportion equation
197,717.14 : 272,871.75 = 112,848.58 : x - Step 2: Convert to fraction form
197,717.14/272,871.75 = 112,848.58/x - Step 3: Cross multiply
197,717.14x = 272,871.75 × 112,848.58 - Step 4: Simplify right side
197,717.14x = 30,793,189,509.62 - Step 5: Solve for x
x = 30,793,189,509.62/197,717.14 - Step 6: Final answer
x = 155,743.65
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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.