Finding the Fourth Proportional to 197,177.58, 272,105.16 and 106,533.52
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Solution
The fourth proportional to 197,177.58, 272,105.16 and 106,533.52 is: 147,016.31
Step by Step Solution
- Step 1: Write the proportion equation
197,177.58 : 272,105.16 = 106,533.52 : x - Step 2: Convert to fraction form
197,177.58/272,105.16 = 106,533.52/x - Step 3: Cross multiply
197,177.58x = 272,105.16 × 106,533.52 - Step 4: Simplify right side
197,177.58x = 28,988,320,504.96 - Step 5: Solve for x
x = 28,988,320,504.96/197,177.58 - Step 6: Final answer
x = 147,016.31
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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.