Finding the Fourth Proportional to 234,261.09, 323,279.83 and 126,831.19
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Solution
The fourth proportional to 234,261.09, 323,279.83 and 126,831.19 is: 175,026.79
Step by Step Solution
- Step 1: Write the proportion equation
234,261.09 : 323,279.83 = 126,831.19 : x - Step 2: Convert to fraction form
234,261.09/323,279.83 = 126,831.19/x - Step 3: Cross multiply
234,261.09x = 323,279.83 × 126,831.19 - Step 4: Simplify right side
234,261.09x = 41,001,965,541.90 - Step 5: Solve for x
x = 41,001,965,541.90/234,261.09 - Step 6: Final answer
x = 175,026.79
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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.