Finding the Fourth Proportional to 197,558.94, 272,631.35 and 106,914.92
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Solution
The fourth proportional to 197,558.94, 272,631.35 and 106,914.92 is: 147,542.59
Step by Step Solution
- Step 1: Write the proportion equation
197,558.94 : 272,631.35 = 106,914.92 : x - Step 2: Convert to fraction form
197,558.94/272,631.35 = 106,914.92/x - Step 3: Cross multiply
197,558.94x = 272,631.35 × 106,914.92 - Step 4: Simplify right side
197,558.94x = 29,148,357,077.01 - Step 5: Solve for x
x = 29,148,357,077.01/197,558.94 - Step 6: Final answer
x = 147,542.59
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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.