Finding the Fourth Proportional to 126,514.36, 189,804.48 and 37,767.91
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Solution
The fourth proportional to 126,514.36, 189,804.48 and 37,767.91 is: 56,661.70
Step by Step Solution
- Step 1: Write the proportion equation
126,514.36 : 189,804.48 = 37,767.91 : x - Step 2: Convert to fraction form
126,514.36/189,804.48 = 37,767.91/x - Step 3: Cross multiply
126,514.36x = 189,804.48 × 37,767.91 - Step 4: Simplify right side
126,514.36x = 7,168,518,518.24 - Step 5: Solve for x
x = 7,168,518,518.24/126,514.36 - Step 6: Final answer
x = 56,661.70
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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.