Finding the Fourth Proportional to 263,831.16, 395,742.52 and 83,913.99
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Solution
The fourth proportional to 263,831.16, 395,742.52 and 83,913.99 is: 125,869.64
Step by Step Solution
- Step 1: Write the proportion equation
263,831.16 : 395,742.52 = 83,913.99 : x - Step 2: Convert to fraction form
263,831.16/395,742.52 = 83,913.99/x - Step 3: Cross multiply
263,831.16x = 395,742.52 × 83,913.99 - Step 4: Simplify right side
263,831.16x = 33,208,333,865.85 - Step 5: Solve for x
x = 33,208,333,865.85/263,831.16 - Step 6: Final answer
x = 125,869.64
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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.