Finding the Fourth Proportional to 642,933.36, 964,440.14 and 169,619.18
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Solution
The fourth proportional to 642,933.36, 964,440.14 and 169,619.18 is: 254,439.34
Step by Step Solution
- Step 1: Write the proportion equation
642,933.36 : 964,440.14 = 169,619.18 : x - Step 2: Convert to fraction form
642,933.36/964,440.14 = 169,619.18/x - Step 3: Cross multiply
642,933.36x = 964,440.14 × 169,619.18 - Step 4: Simplify right side
642,933.36x = 163,587,540,035.59 - Step 5: Solve for x
x = 163,587,540,035.59/642,933.36 - Step 6: Final answer
x = 254,439.34
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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.