Finding the Fourth Proportional to 197,890.14, 273,089.34 and 107,246.28
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Solution
The fourth proportional to 197,890.14, 273,089.34 and 107,246.28 is: 148,000.38
Step by Step Solution
- Step 1: Write the proportion equation
197,890.14 : 273,089.34 = 107,246.28 : x - Step 2: Convert to fraction form
197,890.14/273,089.34 = 107,246.28/x - Step 3: Cross multiply
197,890.14x = 273,089.34 × 107,246.28 - Step 4: Simplify right side
197,890.14x = 29,287,815,822.66 - Step 5: Solve for x
x = 29,287,815,822.66/197,890.14 - Step 6: Final answer
x = 148,000.38
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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.