Finding the Fourth Proportional to 518,140.26, 777,238.14 and 163,181.94
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Solution
The fourth proportional to 518,140.26, 777,238.14 and 163,181.94 is: 244,781.65
Step by Step Solution
- Step 1: Write the proportion equation
518,140.26 : 777,238.14 = 163,181.94 : x - Step 2: Convert to fraction form
518,140.26/777,238.14 = 163,181.94/x - Step 3: Cross multiply
518,140.26x = 777,238.14 × 163,181.94 - Step 4: Simplify right side
518,140.26x = 126,831,227,527.19 - Step 5: Solve for x
x = 126,831,227,527.19/518,140.26 - Step 6: Final answer
x = 244,781.65
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1.5x scale
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.