Finding the Fourth Proportional to 127,289.96, 190,959.52 and 48,398.05
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Solution
The fourth proportional to 127,289.96, 190,959.52 and 48,398.05 is: 72,606.42
Step by Step Solution
- Step 1: Write the proportion equation
127,289.96 : 190,959.52 = 48,398.05 : x - Step 2: Convert to fraction form
127,289.96/190,959.52 = 48,398.05/x - Step 3: Cross multiply
127,289.96x = 190,959.52 × 48,398.05 - Step 4: Simplify right side
127,289.96x = 9,242,068,396.94 - Step 5: Solve for x
x = 9,242,068,396.94/127,289.96 - Step 6: Final answer
x = 72,606.42
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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.