Finding the Fourth Proportional to 211,797.77, 292,284.27 and 115,001.57
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Solution
The fourth proportional to 211,797.77, 292,284.27 and 115,001.57 is: 158,703.99
Step by Step Solution
- Step 1: Write the proportion equation
211,797.77 : 292,284.27 = 115,001.57 : x - Step 2: Convert to fraction form
211,797.77/292,284.27 = 115,001.57/x - Step 3: Cross multiply
211,797.77x = 292,284.27 × 115,001.57 - Step 4: Simplify right side
211,797.77x = 33,613,150,002.20 - Step 5: Solve for x
x = 33,613,150,002.20/211,797.77 - Step 6: Final answer
x = 158,703.99
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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.