Finding the Fourth Proportional to 246,769.40, 369,635.70 and 135,831.80
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Solution
The fourth proportional to 246,769.40, 369,635.70 and 135,831.80 is: 203,462.35
Step by Step Solution
- Step 1: Write the proportion equation
246,769.40 : 369,635.70 = 135,831.80 : x - Step 2: Convert to fraction form
246,769.40/369,635.70 = 135,831.80/x - Step 3: Cross multiply
246,769.40x = 369,635.70 × 135,831.80 - Step 4: Simplify right side
246,769.40x = 50,208,282,475.26 - Step 5: Solve for x
x = 50,208,282,475.26/246,769.40 - Step 6: Final answer
x = 203,462.35
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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.