Finding the Fourth Proportional to 190,990.23, 263,551.09 and 110,422.95
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Solution
The fourth proportional to 190,990.23, 263,551.09 and 110,422.95 is: 152,374.75
Step by Step Solution
- Step 1: Write the proportion equation
190,990.23 : 263,551.09 = 110,422.95 : x - Step 2: Convert to fraction form
190,990.23/263,551.09 = 110,422.95/x - Step 3: Cross multiply
190,990.23x = 263,551.09 × 110,422.95 - Step 4: Simplify right side
190,990.23x = 29,102,088,833.52 - Step 5: Solve for x
x = 29,102,088,833.52/190,990.23 - Step 6: Final answer
x = 152,374.75
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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.