Finding the Fourth Proportional to 197,554.94, 272,623.74 and 106,908.92
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Solution
The fourth proportional to 197,554.94, 272,623.74 and 106,908.92 is: 147,533.19
Step by Step Solution
- Step 1: Write the proportion equation
197,554.94 : 272,623.74 = 106,908.92 : x - Step 2: Convert to fraction form
197,554.94/272,623.74 = 106,908.92/x - Step 3: Cross multiply
197,554.94x = 272,623.74 × 106,908.92 - Step 4: Simplify right side
197,554.94x = 29,145,909,609.76 - Step 5: Solve for x
x = 29,145,909,609.76/197,554.94 - Step 6: Final answer
x = 147,533.19
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1.5x scale
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.