Finding the Fourth Proportional to 230,831.40, 346,247.10 and 167,845.80
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Solution
The fourth proportional to 230,831.40, 346,247.10 and 167,845.80 is: 251,768.70
Step by Step Solution
- Step 1: Write the proportion equation
230,831.40 : 346,247.10 = 167,845.80 : x - Step 2: Convert to fraction form
230,831.40/346,247.10 = 167,845.80/x - Step 3: Cross multiply
230,831.40x = 346,247.10 × 167,845.80 - Step 4: Simplify right side
230,831.40x = 58,116,121,497.18 - Step 5: Solve for x
x = 58,116,121,497.18/230,831.40 - Step 6: Final answer
x = 251,768.70
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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.