Finding the Fourth Proportional to 107,599.62, 161,330.19 and 51,438.48
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Solution
The fourth proportional to 107,599.62, 161,330.19 and 51,438.48 is: 77,124.62
Step by Step Solution
- Step 1: Write the proportion equation
107,599.62 : 161,330.19 = 51,438.48 : x - Step 2: Convert to fraction form
107,599.62/161,330.19 = 51,438.48/x - Step 3: Cross multiply
107,599.62x = 161,330.19 × 51,438.48 - Step 4: Simplify right side
107,599.62x = 8,298,579,751.71 - Step 5: Solve for x
x = 8,298,579,751.71/107,599.62 - Step 6: Final answer
x = 77,124.62
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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.