Finding the Fourth Proportional to 149,293.24, 223,637.46 and 69,218.44
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Solution
The fourth proportional to 149,293.24, 223,637.46 and 69,218.44 is: 103,687.46
Step by Step Solution
- Step 1: Write the proportion equation
149,293.24 : 223,637.46 = 69,218.44 : x - Step 2: Convert to fraction form
149,293.24/223,637.46 = 69,218.44/x - Step 3: Cross multiply
149,293.24x = 223,637.46 × 69,218.44 - Step 4: Simplify right side
149,293.24x = 15,479,836,106.76 - Step 5: Solve for x
x = 15,479,836,106.76/149,293.24 - Step 6: Final answer
x = 103,687.46
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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.