Finding the Fourth Proportional to 107,203.44, 160,819.38 and 39,726.12
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Solution
The fourth proportional to 107,203.44, 160,819.38 and 39,726.12 is: 59,594.45
Step by Step Solution
- Step 1: Write the proportion equation
107,203.44 : 160,819.38 = 39,726.12 : x - Step 2: Convert to fraction form
107,203.44/160,819.38 = 39,726.12/x - Step 3: Cross multiply
107,203.44x = 160,819.38 × 39,726.12 - Step 4: Simplify right side
107,203.44x = 6,388,729,988.21 - Step 5: Solve for x
x = 6,388,729,988.21/107,203.44 - Step 6: Final answer
x = 59,594.45
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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.