Finding the Fourth Proportional to 191,166.48, 263,421.01 and 147,883.12
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Solution
The fourth proportional to 191,166.48, 263,421.01 and 147,883.12 is: 203,777.99
Step by Step Solution
- Step 1: Write the proportion equation
191,166.48 : 263,421.01 = 147,883.12 : x - Step 2: Convert to fraction form
191,166.48/263,421.01 = 147,883.12/x - Step 3: Cross multiply
191,166.48x = 263,421.01 × 147,883.12 - Step 4: Simplify right side
191,166.48x = 38,955,520,358.65 - Step 5: Solve for x
x = 38,955,520,358.65/191,166.48 - Step 6: Final answer
x = 203,777.99
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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.