Finding the Fourth Proportional to 143,216.00, 197,616.09 and 82,774.91
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Solution
The fourth proportional to 143,216.00, 197,616.09 and 82,774.91 is: 114,216.66
Step by Step Solution
- Step 1: Write the proportion equation
143,216.00 : 197,616.09 = 82,774.91 : x - Step 2: Convert to fraction form
143,216.00/197,616.09 = 82,774.91/x - Step 3: Cross multiply
143,216.00x = 197,616.09 × 82,774.91 - Step 4: Simplify right side
143,216.00x = 16,357,653,076.22 - Step 5: Solve for x
x = 16,357,653,076.22/143,216.00 - Step 6: Final answer
x = 114,216.66
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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.