Finding the Fourth Proportional to 107,163.99, 160,730.19 and 28,283.76
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Solution
The fourth proportional to 107,163.99, 160,730.19 and 28,283.76 is: 42,421.47
Step by Step Solution
- Step 1: Write the proportion equation
107,163.99 : 160,730.19 = 28,283.76 : x - Step 2: Convert to fraction form
107,163.99/160,730.19 = 28,283.76/x - Step 3: Cross multiply
107,163.99x = 160,730.19 × 28,283.76 - Step 4: Simplify right side
107,163.99x = 4,546,054,118.71 - Step 5: Solve for x
x = 4,546,054,118.71/107,163.99 - Step 6: Final answer
x = 42,421.47
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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.