Finding the Fourth Proportional to 214,776.24, 296,257.20 and 138,396.48
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Solution
The fourth proportional to 214,776.24, 296,257.20 and 138,396.48 is: 190,900.79
Step by Step Solution
- Step 1: Write the proportion equation
214,776.24 : 296,257.20 = 138,396.48 : x - Step 2: Convert to fraction form
214,776.24/296,257.20 = 138,396.48/x - Step 3: Cross multiply
214,776.24x = 296,257.20 × 138,396.48 - Step 4: Simplify right side
214,776.24x = 41,000,953,654.66 - Step 5: Solve for x
x = 41,000,953,654.66/214,776.24 - Step 6: Final answer
x = 190,900.79
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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.