Finding the Fourth Proportional to 352,121.53, 485,927.94 and 190,976.53
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Solution
The fourth proportional to 352,121.53, 485,927.94 and 190,976.53 is: 263,547.74
Step by Step Solution
- Step 1: Write the proportion equation
352,121.53 : 485,927.94 = 190,976.53 : x - Step 2: Convert to fraction form
352,121.53/485,927.94 = 190,976.53/x - Step 3: Cross multiply
352,121.53x = 485,927.94 × 190,976.53 - Step 4: Simplify right side
352,121.53x = 92,800,831,811.25 - Step 5: Solve for x
x = 92,800,831,811.25/352,121.53 - Step 6: Final answer
x = 263,547.74
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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.