Finding the Fourth Proportional to 307,663.42, 461,543.91 and 130,171.75
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Solution
The fourth proportional to 307,663.42, 461,543.91 and 130,171.75 is: 195,278.26
Step by Step Solution
- Step 1: Write the proportion equation
307,663.42 : 461,543.91 = 130,171.75 : x - Step 2: Convert to fraction form
307,663.42/461,543.91 = 130,171.75/x - Step 3: Cross multiply
307,663.42x = 461,543.91 × 130,171.75 - Step 4: Simplify right side
307,663.42x = 60,079,978,466.54 - Step 5: Solve for x
x = 60,079,978,466.54/307,663.42 - Step 6: Final answer
x = 195,278.26
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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.