Finding the Fourth Proportional to 197,748.14, 272,891.06 and 107,102.04
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Solution
The fourth proportional to 197,748.14, 272,891.06 and 107,102.04 is: 147,800.07
Step by Step Solution
- Step 1: Write the proportion equation
197,748.14 : 272,891.06 = 107,102.04 : x - Step 2: Convert to fraction form
197,748.14/272,891.06 = 107,102.04/x - Step 3: Cross multiply
197,748.14x = 272,891.06 × 107,102.04 - Step 4: Simplify right side
197,748.14x = 29,227,189,223.76 - Step 5: Solve for x
x = 29,227,189,223.76/197,748.14 - Step 6: Final answer
x = 147,800.07
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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.