Finding the Fourth Proportional to 197,747.14, 272,889.68 and 107,101.04
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Solution
The fourth proportional to 197,747.14, 272,889.68 and 107,101.04 is: 147,798.69
Step by Step Solution
- Step 1: Write the proportion equation
197,747.14 : 272,889.68 = 107,101.04 : x - Step 2: Convert to fraction form
197,747.14/272,889.68 = 107,101.04/x - Step 3: Cross multiply
197,747.14x = 272,889.68 × 107,101.04 - Step 4: Simplify right side
197,747.14x = 29,226,768,533.27 - Step 5: Solve for x
x = 29,226,768,533.27/197,747.14 - Step 6: Final answer
x = 147,798.69
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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.