Finding the Fourth Proportional to 160,257.96, 240,442.02 and 71,572.68
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Solution
The fourth proportional to 160,257.96, 240,442.02 and 71,572.68 is: 107,383.62
Step by Step Solution
- Step 1: Write the proportion equation
160,257.96 : 240,442.02 = 71,572.68 : x - Step 2: Convert to fraction form
160,257.96/240,442.02 = 71,572.68/x - Step 3: Cross multiply
160,257.96x = 240,442.02 × 71,572.68 - Step 4: Simplify right side
160,257.96x = 17,209,079,756.01 - Step 5: Solve for x
x = 17,209,079,756.01/160,257.96 - Step 6: Final answer
x = 107,383.62
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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.