Finding the Fourth Proportional to 190,221.99, 285,437.99 and 106,029.54
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Solution
The fourth proportional to 190,221.99, 285,437.99 and 106,029.54 is: 159,102.84
Step by Step Solution
- Step 1: Write the proportion equation
190,221.99 : 285,437.99 = 106,029.54 : x - Step 2: Convert to fraction form
190,221.99/285,437.99 = 106,029.54/x - Step 3: Cross multiply
190,221.99x = 285,437.99 × 106,029.54 - Step 4: Simplify right side
190,221.99x = 30,264,859,043.30 - Step 5: Solve for x
x = 30,264,859,043.30/190,221.99 - Step 6: Final answer
x = 159,102.84
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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.