Finding the Fourth Proportional to 234,233.91, 323,242.74 and 126,803.88
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Solution
The fourth proportional to 234,233.91, 323,242.74 and 126,803.88 is: 174,989.32
Step by Step Solution
- Step 1: Write the proportion equation
234,233.91 : 323,242.74 = 126,803.88 : x - Step 2: Convert to fraction form
234,233.91/323,242.74 = 126,803.88/x - Step 3: Cross multiply
234,233.91x = 323,242.74 × 126,803.88 - Step 4: Simplify right side
234,233.91x = 40,988,433,613.83 - Step 5: Solve for x
x = 40,988,433,613.83/234,233.91 - Step 6: Final answer
x = 174,989.32
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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.