Finding the Fourth Proportional to 263,593.60, 395,011.80 and 149,831.80
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Solution
The fourth proportional to 263,593.60, 395,011.80 and 149,831.80 is: 224,532.50
Step by Step Solution
- Step 1: Write the proportion equation
263,593.60 : 395,011.80 = 149,831.80 : x - Step 2: Convert to fraction form
263,593.60/395,011.80 = 149,831.80/x - Step 3: Cross multiply
263,593.60x = 395,011.80 × 149,831.80 - Step 4: Simplify right side
263,593.60x = 59,185,329,015.24 - Step 5: Solve for x
x = 59,185,329,015.24/263,593.60 - Step 6: Final answer
x = 224,532.50
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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.