Finding the Fourth Proportional to 351,346.86, 484,858.56 and 190,201.79
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Solution
The fourth proportional to 351,346.86, 484,858.56 and 190,201.79 is: 262,478.41
Step by Step Solution
- Step 1: Write the proportion equation
351,346.86 : 484,858.56 = 190,201.79 : x - Step 2: Convert to fraction form
351,346.86/484,858.56 = 190,201.79/x - Step 3: Cross multiply
351,346.86x = 484,858.56 × 190,201.79 - Step 4: Simplify right side
351,346.86x = 92,220,963,584.53 - Step 5: Solve for x
x = 92,220,963,584.53/351,346.86 - Step 6: Final answer
x = 262,478.41
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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.