Finding the Fourth Proportional to 126,980.24, 190,507.62 and 56,843.96
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Solution
The fourth proportional to 126,980.24, 190,507.62 and 56,843.96 is: 85,282.62
Step by Step Solution
- Step 1: Write the proportion equation
126,980.24 : 190,507.62 = 56,843.96 : x - Step 2: Convert to fraction form
126,980.24/190,507.62 = 56,843.96/x - Step 3: Cross multiply
126,980.24x = 190,507.62 × 56,843.96 - Step 4: Simplify right side
126,980.24x = 10,829,207,530.98 - Step 5: Solve for x
x = 10,829,207,530.98/126,980.24 - Step 6: Final answer
x = 85,282.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.