Finding the Fourth Proportional to 234,212.24, 323,213.08 and 126,781.94
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Solution
The fourth proportional to 234,212.24, 323,213.08 and 126,781.94 is: 174,959.18
Step by Step Solution
- Step 1: Write the proportion equation
234,212.24 : 323,213.08 = 126,781.94 : x - Step 2: Convert to fraction form
234,212.24/323,213.08 = 126,781.94/x - Step 3: Cross multiply
234,212.24x = 323,213.08 × 126,781.94 - Step 4: Simplify right side
234,212.24x = 40,977,581,315.78 - Step 5: Solve for x
x = 40,977,581,315.78/234,212.24 - Step 6: Final answer
x = 174,959.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.