Finding the Fourth Proportional to 199,442.86, 299,161.99 and 57,291.62
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Solution
The fourth proportional to 199,442.86, 299,161.99 and 57,291.62 is: 85,936.77
Step by Step Solution
- Step 1: Write the proportion equation
199,442.86 : 299,161.99 = 57,291.62 : x - Step 2: Convert to fraction form
199,442.86/299,161.99 = 57,291.62/x - Step 3: Cross multiply
199,442.86x = 299,161.99 × 57,291.62 - Step 4: Simplify right side
199,442.86x = 17,139,474,763.07 - Step 5: Solve for x
x = 17,139,474,763.07/199,442.86 - Step 6: Final answer
x = 85,936.77
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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.